> ## Documentation Index
> Fetch the complete documentation index at: https://doc-test-my.mintlify.site/llms.txt
> Use this file to discover all available pages before exploring further.

# Glossary

> Check the frequently used terms and their definitions related to Razorpay Payment Button.

The following table lists all the commonly used terms and their definitions used in Payment Button:

| Terms              | Description                                                                                           |
| ------------------ | ----------------------------------------------------------------------------------------------------- |
| Fixed Amount       | A price field where you decide the amount a customer should pay.                                      |
| Item with Quantity | A price field with a quantity selection widget which facilitates the purchase of multiple quantities. |
| Stock              | The goods or merchandise stored with the business in a warehouse or a storage facility.               |
| Expiry Date        | The Expiry Date is the date after which the customer cannot pay using the Payment Button.             |