If the test is true, then Inventor will execute the code that is in the green section, which is the true section. If the test is false, Inventor will execute the code in the red or false section.
A lot of people look at iLogic and see lines of confusing code and just turn the other direction. It’s not as hard as it looks! Once you know the basics of iLogic, you will be able to write rules that will help immensely on a day to day basis.