R
Rate [SysML]:

The rate describes the frequency in which elements traverse an ⇒activity edge, or in which they flow to or from a parameter. Synonym: ⇒Frequency.

Rationale [SysML]:

A rationale documents the principles or reasons for a modeling decision.

Realization [UML]:

A relationship that connects an implementation with a specification. The implementation is responsible for realizing that specification.

Refine [UML]:

A relationship describing that a model element describes the properties of a ⇒requirement in more detail.

Region [UML]:

A region is an orthogonal area in a ⇒state or ⇒state machine.

Representation [UML]:

A relationship that describes the model element that is represented by a piece of ⇒information.

Requirement [SysML]:

A requirement ...

Get Systems Engineering with SysML/UML now with the O’Reilly learning platform.

O’Reilly members experience books, live events, courses curated by job role, and more from O’Reilly and nearly 200 top publishers.