This is the first step of the designation of the development cycle where product requirement needs to be cured from the customer's perspective. These phases include proper communication with the customer to understand their requirements.

These are the very important activities that need to be handled properly, as most of the time customers do not know exactly what they want, and they are not sure about it at that time then we use an acceptance test design planning which is done at the time of business requirement it will be used as an input for acceptance testing.