A requirement is defined as a statement of need that must be realized by a system.

Requirements model the properties of these elements that are needed to achieve the "ends" that are modelled by the goals. In this respect, requirements represent the "means" to realize goals.

Category: Motivation Extension

Examples: "Assign personal assistant", "Provide on-line portfolio service", "Provide on-line information service"

Typical Relationships:

  • Composition, Aggregation, Specialisation, Influence

Source: Archimate 2.1 Chapter 2.7 Motivation Extension and Chapter 10.