Business Analysis

“the practice of enabling change in an organizational context, by defining needs and recommending solutions that deliver value to stakeholders. The set of tasks and techniques that are used to perform business analysis are defined in A Guide to the Business Analysis Body of Knowledge® (BABOK®Guide).”

IIBA

“a research discipline of identifying business needs and determining solutions to business problems. Solutions often include a software-systems development component, but may also consist of process improvement, organizational change or strategic planning and policy development.”

Wikipedia

“tasks and activities that help companies determine their objectives for meeting certain opportunities or addressing challenges and then help them define solutions to meet those objectives. Sometimes, companies hire outside, independent business analysts (BAs) to come in and perform the analysis.”

Business Analysis For Dummies by Kupe Kupersmith, Paul Mulvey and Kate McGoey