Customer Success Glossary

Clear, practical definitions for 45 customer success terms. Built for CS professionals who want substance, not buzzword soup.

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CES (Customer Effort Score)

Customer Effort Score measures how easy or difficult it was for a customer to accomplish a task with your product or tea...

CSAT (Customer Satisfaction Score)

Customer Satisfaction Score measures how satisfied a customer is with a specific interaction, feature, or experience, ty...

Champion

A champion is the internal advocate at the customer organization who actively supports and promotes your product, often ...

Churn Rate

Churn rate measures the percentage of customers or revenue lost during a specific period. It is the core metric that cus...

Cross-Sell

A cross-sell is a sale of a different product, module, or service to an existing customer, expanding the relationship be...

Customer Advocacy

Customer advocacy is a CS program that identifies and mobilizes satisfied customers to serve as references, case study p...

Customer Health Score

A customer health score is a composite metric that aggregates multiple signals to predict the likelihood of a customer r...

Customer Journey

The customer journey maps every stage a customer goes through, from initial awareness and purchase through onboarding, a...

Customer Lifetime Value (CLV)

Customer Lifetime Value estimates the total revenue a business can expect from a single customer account over the entire...

Customer Onboarding

Customer onboarding is the structured post-sale process of configuring, training, and launching a customer on your produ...

Customer Segmentation

Customer segmentation is the practice of dividing your customer base into groups based on shared characteristics to deli...

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