ARR is a metric that calculates the recurring revenue generated by a company every year.

CLV is the total revenue generated by a customer over the course of their entire relationship with a company.

Churn rate is the percentage of customers or subscribers who stop using a product or service over time.

An active subscription in Stripe refers to a payment plan that a customer has agreed to and is currently being charged for regularly.

Monthly Recurring Revenue refers to a business's average monthly revenue from its active customers.

Customer churn refers to when customers cease doing business with a company or stop using its products or services.