CX & Customer Support Glossary
Clear definitions of the metrics, channels, roles, and technologies that shape modern customer experience and support.
A
Abandonment Rate
MetricsAbandonment Rate is the percentage of customers who disconnect or exit a support queue before reaching an agent or completing their interaction.
Agent Assist
TechnologyAgent assist is technology that surfaces real-time suggestions, knowledge, and guidance to a human agent while they are actively handling a customer interaction.
Agent Copilot
TechnologyAn agent copilot is an AI assistant embedded in an agent's workspace that automates repetitive tasks and provides contextual guidance throughout the full interaction lifecycle.
AI Chatbot
TechnologyAn AI chatbot is a software application that uses artificial intelligence to simulate conversation and resolve customer queries automatically, without a live agent.
Asynchronous Messaging
ChannelsA support communication style where customers and agents exchange messages on their own schedules, without requiring both parties to be present simultaneously.
Average Handle Time
MetricsThe average total time an agent spends on a customer interaction, including talk time, hold time, and after-contact wrap-up work.
Average Speed of Answer
MetricsAverage Speed of Answer (ASA) is the mean time a customer waits in queue before their call or chat is connected to a live agent.
B
C
Call Center
ChannelsA centralized facility where agents handle inbound and/or outbound customer phone calls on behalf of an organization.
Canned Response
OperationsA pre-written reply that agents can insert into a support conversation to answer common questions quickly and consistently.
Cobrowsing
ChannelsA real-time support technique where an agent and customer share view of or limited control over the customer's browser or screen.
Contact Center
ChannelsA centralized operation that handles customer communications across multiple channels, including voice, email, chat, and social media, at scale.
Contact Rate
MetricsThe proportion of customers who contact support within a given period, expressed as a percentage of the total customer base or transaction volume.
Conversational AI
TechnologyConversational AI is the broader set of technologies that enable machines to understand, process, and respond to human language in a natural, dialogue-driven way.
Cost per Contact
MetricsCost per Contact is the average total cost a support organization incurs to handle a single customer interaction, across any channel.
Customer Churn Rate
MetricsThe percentage of customers who stop doing business with a company during a given time period.
Customer Data Platform (CDP)
TechnologyA CDP is a centralized system that unifies customer data from multiple sources into persistent, addressable profiles for use across teams and tools.
Customer Effort Score (CES)
MetricsA metric that measures how much effort a customer had to exert to get their issue resolved, typically rated on a 5- or 7-point scale.
Customer Experience (CX)
RolesCustomer Experience (CX) is the sum of all perceptions and feelings a customer forms across every interaction with a company throughout their entire relationship.
Customer Feedback Loop
OperationsA customer feedback loop is the process of collecting customer input, acting on it, and communicating changes back to customers to drive continuous improvement.
Customer Health Score
MetricsA composite metric that aggregates behavioral and relationship signals to predict whether a customer is likely to renew, expand, or churn.
Customer Journey
OperationsThe complete sequence of interactions and experiences a customer has with a company from first awareness through post-purchase and beyond.
Customer Journey Map
OperationsA visual document that charts each stage of the customer journey, the actions customers take, and the emotions or pain points they experience at each step.
Customer Lifetime Value (CLV)
MetricsCustomer Lifetime Value (CLV) is the total net revenue a business can expect from a single customer account over the entire duration of the relationship.
Customer Onboarding
OperationsThe structured process of guiding new customers to successfully set up, understand, and get value from a product or service.
Customer Relationship Management (CRM)
TechnologyA platform that stores and manages a company's relationships and interactions with customers and prospects across their entire lifecycle.
Customer Retention Rate
MetricsThe percentage of existing customers a company successfully retains over a given time period, the inverse of churn rate.
Customer Satisfaction Score (CSAT)
MetricsA post-interaction survey metric that asks customers to rate their satisfaction, typically on a 3- or 5-point scale, expressed as a percentage of positive responses.
Customer Service
RolesCustomer service is the direct assistance a company provides to customers before, during, and after a purchase to help them get value and resolve issues.
Customer Success
RolesCustomer success is a proactive business function focused on helping customers achieve their desired outcomes so they retain, expand, and advocate for the product.
Customer Success Manager (CSM)
RolesA CSM is a post-sale relationship owner who proactively guides customers toward their goals to drive retention, expansion, and long-term value.
Customer Support Agent
RolesA frontline employee who handles customer inquiries, troubleshoots issues, and resolves problems via chat, email, phone, or other channels.
Customer-Centricity
StrategyAn organizational philosophy and operating model that places the customer's needs, outcomes, and experience at the center of every business decision.
E
Email Support
ChannelsA customer support channel where customers submit issues via email and agents respond asynchronously, typically within a defined SLA window.
Escalation
OperationsThe process of transferring a customer issue to a higher tier, specialist, or senior resource when the current handler cannot resolve it adequately.
Escalation Manager
RolesA senior support role responsible for overseeing high-priority or unresolved customer issues and coordinating cross-functional resolution efforts.
Escalation Path
OperationsAn escalation path defines the structured route a support issue follows when it cannot be resolved at the current tier, specifying who handles it next and under what conditions.
Escalation Rate
MetricsEscalation Rate is the percentage of support tickets that are transferred to a higher-tier agent or specialist because the initial agent could not resolve them.
F
First Contact Resolution
MetricsThe percentage of support interactions in which a customer's issue is fully resolved during the first contact, with no follow-up required.
First Response Time
MetricsThe elapsed time between a customer submitting a support request and receiving the first human (or automated) reply from the support team.
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H
Help Center
OperationsThe customer-facing web portal where users access self-service resources such as knowledge base articles, FAQs, and support request forms.
Help Desk
ChannelsA software platform or team function that centralizes incoming support requests, routes them to agents, and tracks resolution across channels.
I
In-App Support
ChannelsCustomer support delivered directly within a software application or mobile app, reducing friction by keeping users in context when they need help.
Intent Recognition
TechnologyIntent recognition is the automated process of identifying what a customer wants to accomplish from their message or spoken input.
Interactive Voice Response (IVR)
ChannelsAn automated phone system that collects caller input via voice or keypad and routes or resolves calls without a live agent.
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L
Large Language Model (LLM)
TechnologyA large language model (LLM) is an AI system trained on vast text data that can generate, summarize, classify, and translate human language at scale.
Live Chat
ChannelsA real-time text-based support channel embedded in a website or app that connects customers synchronously with a human agent or bot.
M
Macro
OperationsA saved action or set of actions in a helpdesk that agents trigger with one click to update ticket fields, send a reply, and more.
Messaging Channel
ChannelsAny support channel built on a messaging platform—such as SMS, WhatsApp, or in-app chat—that enables text-based conversations between customers and agents.
Multichannel
ChannelsA support model that offers customers several independent channels for contact—such as email, phone, and chat—without necessarily sharing data between them.
N
Natural Language Processing (NLP)
TechnologyNatural language processing (NLP) is a field of AI that enables computers to interpret, analyze, and generate human language in text or speech form.
Net Promoter Score (NPS)
MetricsA loyalty metric based on asking customers how likely they are to recommend a company on a 0–10 scale, expressed as the percentage of Promoters minus the percentage of Detractors.
O
Occupancy Rate
MetricsOccupancy Rate is the percentage of logged-in time that agents spend actively handling contacts or completing associated after-call work.
Omnichannel
ChannelsA support approach where all customer-facing channels share context and history so customers experience one seamless, continuous conversation.
P
Personalization
StrategyTailoring support interactions, content, or outreach to the specific context, history, and preferences of an individual customer.
Proactive Support
StrategyA support strategy in which teams reach out to customers with help or information before the customer identifies a problem and contacts support.
Q
Quality Assurance
OperationsQuality assurance in customer support is the systematic review of agent interactions to ensure they meet defined standards for accuracy, tone, and policy adherence.
Quality Assurance Score
MetricsA numeric rating that measures how well a support interaction meets a team's defined standards for accuracy, tone, process, and policy compliance.
Queue Management
OperationsQueue management is the process of organizing, prioritizing, and routing incoming support requests to ensure timely and efficient resolution.
R
Reactive Support
StrategyThe traditional support model in which a team responds to customer-initiated contacts after a problem or question has already arisen.
Reopen Rate
MetricsReopen Rate is the percentage of resolved support tickets that a customer subsequently reopens because their issue was not fully resolved.
Resolution Time
MetricsThe total elapsed time from when a support ticket is opened to when it is marked as fully resolved.
Retrieval-Augmented Generation (RAG)
TechnologyRetrieval-augmented generation (RAG) is a technique that grounds an LLM's responses in retrieved, authoritative source documents to improve accuracy and reduce hallucinations.
Root Cause Analysis
OperationsA structured process for identifying the underlying reason a problem occurred so it can be prevented from recurring.
Round Robin Routing
OperationsA ticket assignment method that distributes incoming conversations to agents in a fixed, rotating sequence to balance workload evenly.
S
Schedule Adherence
MetricsSchedule Adherence is the percentage of time agents are available and working according to their assigned schedules, including start times, breaks, and assigned activities.
Self-Service Portal
ChannelsA web-based hub where customers can independently find answers, manage their account, and resolve issues without contacting a support agent.
Self-Service Rate
MetricsSelf-Service Rate is the percentage of customer issues resolved through self-service channels — such as a knowledge base, FAQ, or chatbot — without involving a live agent.
Sentiment Analysis
TechnologyAutomated classification of text or speech as positive, negative, or neutral to gauge how customers feel at scale.
Service Blueprint
OperationsA service blueprint is a diagram that maps every step of a service process, showing customer actions, frontstage employee actions, and the backstage systems that support them.
Service Level Agreement (SLA)
MetricsA formal commitment between a support team and its customers (or internal stakeholders) defining the expected response and resolution timeframes for different request types.
Service Level Objective (SLO)
StrategyAn SLO is an internal performance target that defines the acceptable threshold for a specific support metric over a defined time period.
Service Recovery
OperationsThe actions a company takes to address a service failure and restore customer satisfaction after a negative experience.
Shift-Left Strategy
OperationsA shift-left strategy moves issue resolution closer to the customer by enabling self-service and frontline agents to solve problems that previously required escalation.
Skills-Based Routing
OperationsAn assignment method that matches incoming tickets to agents based on the specific skills or expertise required to resolve them.
SLA Breach
OperationsAn SLA breach occurs when a support team fails to meet a response or resolution time commitment defined in a service level agreement.
Social Customer Service
ChannelsThe practice of handling customer support requests and complaints through public or private social media channels such as X, Facebook, or Instagram.
Speech Analytics
TechnologyTechnology that automatically transcribes and analyzes recorded voice interactions to surface trends, compliance risks, and coaching opportunities.
Subject Matter Expert (SME)
RolesAn SME is a support professional with deep expertise in a specific product area, process, or technical domain who advises agents and handles complex escalations.
Support Operations
RolesSupport Operations is the function that manages the tools, processes, data, and workflows that enable a support team to run efficiently and scale effectively.
Support Team Lead
RolesA support team lead supervises a group of agents, handles escalations, monitors queue health, and coaches team members toward performance targets.
T
Technical Support
RolesA specialized support function that helps customers resolve product or system issues requiring technical knowledge or troubleshooting skills.
Ticket
OperationsA recorded support request that tracks a customer issue from initial contact through to resolution within a help desk or CRM system.
Ticket Deflection Rate
MetricsThe percentage of potential support tickets avoided because customers resolved their issue through self-service or automated help.
Ticket Routing
OperationsThe process of directing an incoming support ticket to the right agent, team, or queue based on defined rules or automation.
Ticket Tagging
OperationsThe practice of applying descriptive labels to support tickets to categorize them by issue type, product area, cause, or other attributes.
Ticket Volume
MetricsTicket Volume is the total number of support requests received within a defined time period, used to measure demand on a support team.
Ticketing System
TechnologySoftware that converts customer support requests into trackable tickets, centralizing communication and status throughout resolution.
Tiered Support
RolesTiered support is a structured model that routes customer issues through escalating levels of expertise, from self-service and frontline agents up to specialists.
Touchpoint
OperationsAny specific interaction or moment of contact between a customer and a company across any channel or stage of the journey.
Triage
OperationsThe process of reviewing, categorizing, and prioritizing incoming support tickets to ensure the most urgent or impactful issues are addressed first.
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V
Virtual Agent
TechnologyAn AI-powered conversational interface that handles customer inquiries automatically, without requiring a live human agent.
Voice of the Customer (VoC)
OperationsVoice of the Customer (VoC) is a research discipline that captures customers' expectations, preferences, and pain points to inform product and service decisions.
Voice Support
ChannelsA customer support channel in which customers and agents communicate in real time over a phone or VoIP call.
W
Workflow Automation
TechnologyThe use of rules or AI logic to automatically route, tag, escalate, or update support tickets without requiring manual agent action.
Workforce Management (WFM)
RolesWorkforce Management (WFM) is the practice of forecasting contact volume, scheduling agents, and tracking adherence to ensure the right staffing at the right times.