How do programmers compile apps

Question

How do programmers compile apps
Like apps Created by this programming languages below👇

Answer 1

Html and css are rendered, javascript is interpreted (executed directly from the code) by the browser and not compiled. Languages like C or Java are compiled by a compiler, which is a program specifically for that task: To translate code into machine instructions or intermediate languages

Answer 2

To gain a better understanding of how compilation works, you’ll have to research and understand the following terms:
assembler, compiler, preprocessor, interpreter, linker, loader. apologies for not elaborating on each of them, but i’m pretty sure you’ll get by.