Relationship

Specialization

Relationships are depicted with -:> or <:-. For example:

Composition

Composition relations are depicted with +- or -+. For example:

Aggregation

Aggregation relationships are shown with o- or -o. For example:

Assignments

Assignments are just .--.. For example:

Realization

--:> For example:

Triggering

-|> For example:

Serving

-> For example:

Flow

Access

Association