Business Requirements refer to the essential needs and expectations of stakeholders that must be met for a project or initiative to be considered successful. This skill involves gathering, analyzing, and documenting these requirements to ensure alignment between business objectives and project deliverables. Knowledge of Business Requirements is used to facilitate communication among stakeholders, guide project development, and ensure that the final outcomes meet the specified criteria and objectives.

Business Requirements Documentation involves gathering, analyzing and documenting critical information about a project or product, including functional and non-functional requirements, constraints, assumptions and stakeholders' expectations. It requires a specialized skill set that includes technical writing, project management, communication, and collaboration with various stakeholders to develop comprehensive and clear documentation that serves as a guide for the software development team. The end goal is to ensure that the project meets the business objectives and that there is a shared understanding among all stakeholders.

Functional Specification refers to a detailed document that outlines the requirements, features, and functionalities of a system or product. This skill encompasses the ability to gather and analyze stakeholder needs, translating them into clear and actionable specifications that guide the development process. Knowledge of Functional Specification is used to ensure that the final product meets user expectations and business objectives by providing a comprehensive framework for design, development, and testing activities.

Requirements Elicitation refers to the process of gathering and defining the needs and expectations of stakeholders for a project or system. This skill involves various techniques such as interviews, surveys, and workshops to extract detailed information that informs project scope and objectives. Knowledge of Requirements Elicitation is used to ensure that the final deliverables align with stakeholder requirements, thereby enhancing project success and stakeholder satisfaction.

User Acceptance Testing (UAT) refers to the process of verifying that a system or application meets the business requirements and is ready for deployment. This skill involves end-users testing the software in a real-world environment to ensure it functions as intended and addresses their needs. Knowledge of User Acceptance Testing (UAT) is used to identify any issues or discrepancies before the final release, facilitating a smoother transition to production and enhancing user satisfaction.