What does the ASCII code system represent? code example

Example: what is ascii code

ASCII stands for American Standard code for Information Interchange. 
ASCII character range is 0 to 255.
We can’t add more characters to the ASCII Character set. 
ASCII character set supports only English. That 13
is the reason, if we see C language we can write c language only in English 
we can’t write in other languages because it uses ASCII code