What is the most important part of C language to programs?

Question

I need to know this because because I have null experience in programming and I wanna be perfect in this language

Answer 1

the main() func is the most important func in C or C++ bcz without it the program cant execute

Answer 2

Every basic commands is important, there is no such few particularly important commands would make a good program. There is no shortcut, go to learn all the basic.

Answer 3

Functions

Answer 4

Oi