All of the content covered in the lessons is available in the text books, under Chapter 12.2. The file resources below are for use in the lessons
A structure chart conveys:
The sequence
Parameters that are passed between modules (procedures, etc). These parameters form the module interface
Any iteration and/or selection
The hierarchy of modules
While technically not part of 2.1.2, they are used extensively in procedures, and as structure charts use procedures, they are covered here too.
A much more comprehensive example is as follows: