Acceptance Testing refers to the process of evaluating a system or product to determine whether it meets the specified requirements and is ready for deployment. This skill involves defining acceptance criteria, executing test cases, and documenting results to ensure that the final deliverable aligns with user expectations and business needs. Knowledge of Acceptance Testing is used to validate functionality, performance, and usability, thereby facilitating informed decision-making regarding product release.

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.

Business Systems Analysis refers to the practice of examining business processes, information needs, and system requirements to identify how work should be supported by technology and procedures. It is used to define and document current and desired states, clarify requirements, and align operational needs with system capabilities. In work settings, it supports solution planning, process improvement, and communication between business stakeholders and technical teams.

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.

Joint Application Design (JAD) refers to a collaborative approach used in the software development process that involves stakeholders, including users and developers, in structured workshops to gather requirements and design solutions. This skill facilitates effective communication and consensus-building among participants, ensuring that the final product aligns with user needs and expectations. Knowledge of Joint Application Design (JAD) is utilized to streamline the requirements gathering process, reduce misunderstandings, and enhance the overall quality of the software development lifecycle.