Business analysis is the practice of enabling change in an enterprise by:

This statement is the formal definition of business analysis as provided by the BABOK® Guide. It emphasizes the role of the business analyst in enabling change by understanding and defining what an organization needs and proposing solutions that deliver value.

BABOK® Reference – Introduction (Section 1.2):

“Business analysis is the practice of enabling change in an enterprise by defining needs and recommending solutions that deliver value to stakeholders.”