what are tokens.?

Answer 1

token is smallest individual unit...
like cell...in living world..

Answer 2

Smallest individual units in the program is known as tokens.
C++ has five types of tokens :
1 keywords
2 identifier
3 literals
4 puntuators
5 operators.
all the best👍

Answer 3

@Darsh we also have trigraph tokens and bigraph tokens

Answer 4

@GeoDash
Just an addition to what you said: The trigraphs will likely be removed in C++17 as they play their part in making code hard to understand. Other languages can do without them and produce fast code (see FORTRAN).