#requirement types

Business Requirements: describe the higher-level needs of the organization as a whole, such as business issues or opportunities, and reasons why a project has been undertaken.

Stakeholder Requirements: describe the needs of a stakeholder or stakeholder group, where the term stakeholder is used broadly to reflect the role of anyone with a material interest in the outcome of an initiative, and could include customers, suppliers, and partners, as well as internal business roles.

Solution Requirements: describe the features, functions, and characteristics of a product, service, or result that will meet the business and stakeholder requirements. Solution requirements are further grouped into functional and nonfunctional requirements.

Functional Requirements: describe the behaviors of the product.

Nonfunctional Requirements: describe the environmental conditions or qualities required for the product to be effective.

Transition Requirements: describe temporary capabilities, such as data conversion and training requirements, and operational changes needed to transition from the current state to the future state.