Perspective, where you model the organization of a system or the structure of the data that is processed by the system

An interaction An external

A structural

A behavioral

........ perspective, where you model the context or environment of the system An interaction

An external

A structural

A behavioral

Stage of requirements elicitation and analysis in which groups related requirements and organizes them into coherent clusters

Requirement discovery

Requirement classification and organization Requirement prioritization and negotiation Requirement specification

Ways of writing a system requirement specification Natural language

Design description language

Graphical notation

All the stated