Group Functionality

You might be surprised at how many applications contain functions that fall into a particular category but are fragmented across the application. Such fragmentation often occurs when many programmers are working on the same application and the module names don't clearly identify the type of functionality the modules contain. The ownership aspect also comes into play: some programmers don't like to amend another programmer's code. Access conflict might also be an issue. It is good practice to familiarize yourself with other modules in the application so that you can group functionality and also identify functionality that you can use. Grouping reusable functionality has the added benefit that it can be extracted in separate DLLs at a later stage.

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