> ## Documentation Index
> Fetch the complete documentation index at: https://razorpay-60c89f9a-mintlify-audit-missing-sections-1778528421.mintlify.site/llms.txt
> Use this file to discover all available pages before exploring further.

# Glossary

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

## Terms | Description

## Fixed Amount | A price field where you decide the amount a customer should pay.

## Customers Decide Amount | A price field where customers can enter the amount they wish to pay.

## Item with Quantity | A price field with a quantity selection widget that facilitates the purchase of multiple quantities.

## 80G | Section **80G** of the IT Act allows donations made to specified relief funds and charitable institutions as a deduction from gross total income before arriving at taxable income.

## 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 Page.