Is "char" a variable type

Answer 1

It is character. For example letter 'a'.

Answer 2

yes

Answer 3

char can represent a single character.
ex:- char ch='a';
char somename='b';
char abc='d';

cout<<ch<<endl; //a
cout<<somename<<endl; //b

Answer 4

how to use it

Answer 5

char is datatype which stores the ASCII integer in it . ..

A - Z and a-z they are nothing but ASCII values ..