UML 101
So you need to read the entire UML book in 20 minutes. What do you do? These are the excerpts from the Unified Modeling Language Reference Manual I was reading and thought I could summarize for a quick refresh.

Aggregation and composition:

Generalization:

Kinds of dependencies:


Use case diagram:

Kinds of Use Case relationships:








Activity Diagram:


Sequence diagrams and Activation:



Component Diagram:

Deployment Diagram:

Packages and relationships:
