While unit testing or low-level software testing, it's always my primary tool for understanding the function calls and calling functions. So that it is making my work easier for writing test scripts or test cases. So I like this functionality most.

It's always showing the code flow of a software. So that it is easy to traverse through the code and functionality and thereby reducing the complexity of any software traversal.

I personally used this for all my code cycle development, debug and analysis, simple easy and versatile