C programming language is a general, simple & very common language used by many applications such as Windows, Python Interpreter, Git and many more. It relates to how the computer memory works, which is the main point of C programming. It's considered to be the hardest language but it's very powerful indeed.
C is a compiled language, which means it should be processed in order to run it in a compiler to execute the written code.
Useful websites to learn c programming.