Design approaches

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Multi-level design

What

In a smaller system, design of the entire system can be shown in one place.

This class diagram of se-edu/addressbook-level2 depicts the design of the entire software.

Design of bigger systems needs to be done/shown at multiple levels.

This architecture diagram of se-edu/addressbook-level3 depicts the high-level design of the software.

Here are examples of lower level designs of some components of the same software: