I'm here and I want to reiterate a few things:
Clue 1:
I can be composed by one or more elements
Clue 2:
I'm important, but usually people is focused on other elements...
Clue 3:
But there are times when I'm the protagonist
Clue 4:
It's not rare to be modified by some softwares... am I wrong?
Clue 5:
My name is about hands fingers
Who am I?
Edit: Some hints to help you finding the answer!
Hint 1:
I'm composed by the union of two words
Hint 2:
Near distance or far distance... I don't care, I'm always there