When a program has several modules calling other modules, programmers often use a program , which operates similarly to an organizational chart, to show the overall picture of how modules are related to one another.

hierarchy chart

Explanation:

Based on the information provided within the question it can be said that in this scenario programmers usually use a hierarchy chart. This is a chart that shows the relationship that exists between various different modules that are able to call on another. Therefore showing the programmers the organization of the entire overall program.

i think the answer is a or d

you have to be a moderator in order to delete questions. ask jaysl the community associate any questions about the application if you don't understand anything. happy to   : )   here's the application link if you want to apply http: