Final answer:
The Agile equivalent of a software requirements specification document is the user story. User stories are concise descriptions of features or functionalities from the perspective of the end user, used in Agile methodologies to capture requirements and prioritize development tasks.
Step-by-step explanation:
The Agile equivalent of a software requirements specification document is the user story.
A user story is a concise description of a feature or functionality from the perspective of the end user. It describes the desired outcome and the value it will deliver. User stories are used in Agile methodologies to capture requirements and prioritize development tasks.