| New Business IARR | IARR from a customer paying for products and/or service for the first time. This includes IARR from customers who may have canceled service in the past |
| Expansion IARR | IARR from existing customers. Expansion IARR occurs either via a customer buying more of the same product (up-sell) or a new product (cross-sell) |
| Cross-sell IARR | IARR generated from existing customers buying new products |
| Upsell IARR | IARR generated from existing customers purchasing more of the same product under contract (net of volume discounts, pricing tiers) |
| Churn IARR | A decrease in ARR from our existing customer base occurring from either a downsize in commitment or cancellation of a subscription |
| Downsize IARR | The negative change in IARR values for customers who spend less money with us but do not cancel |
| Cancelled IARR | Decrease in IARR that results in a customer ending their contractual relationship with Sourcegraph |
| Customer Count | Number of customers with an active contractual financial commitment at a point in time |
| Average Sales Price (ASP) | The average initial contract price per new logo (calculated as New Logo IARR / New Logo Count over a given period). Excludes any service or one time revenue |
| Average Revenue Per User (ARPU) | ARR / Total number of committed users in a given period |
| Gross Renewal Rate % | The dollar amount of ARR renewed divided by the total dollar amount of ARR up for renewal in a given period; excluding expansion IARR |
| Net Dollar Retention (NDR %) | Dividing ARR balance at the end of a period by the ARR balance of the same group of customers at the beginning of the period, net of downsizes and cancellations and excluding ARR from new customers |
