Is a line a single string or a set of strings?

Question

what does a space (in words) mean?

Answer 1

thanks you Ya'iko . I Know the meaning of space actually My question was how does a programing language treat a space? is it a character or anything else...??

Answer 2

DeeMan
It's actually nothing, most programming languages except python don't pay attention to spaces

Answer 3

a space, means a gap between words.
Check this out
============
NoSpace
No Space
No Space
No Space

I'm sure you get the idea