•All inter-object operations “conceptually” happen
through messaging
•“Conceptually,” only intra-object operations allow
direct structure/representation
access
•Everything is dynamic and subject to change except an object’s identity
Architecture
and Features
Determine the
best close for your audience and your presentation.Close with a summary; offer options;
recommend a strategy; suggest a plan; set a goal.Keep your focus throughout your
presentation, and you will more likely achieve your purpose.