30 CS terms you need to know

Whether you're breaking into Customer Success, building a CS function from scratch, or leading a team, speaking the language fluently matters. This guide cuts through the noise to deliver 30 critical CS terms you'll actually use, from NRR to health scores.

Perfect for aspiring CSMs who want to walk into interviews confident, founders building their first CS motion, or product folks who need to collaborate better with their CS teams. Each term includes a clear definition, real-world context, and why it matters to your business outcomes.

Stop googling CS acronyms mid-meeting. Get the vocabulary that helps you drive retention, identify expansion opportunities, and prove the value of Customer Success to your executive team.