Who and what does the F in front of the alpha numeric number F1 stand for it's meaning,origin, it's functionality &what does it represent?

1 ]On a keyboard it is function

2 ]On a camera lens it is focus [F1 means the aperture = focal length - few ;lenses open this far, few open more than F2

3] In motor sport it is fomula

In what context? If you mean the "F1" key on a computer keyboard, it stands for "Function." If you are asking about the hexadecimal number "F1," the "F" is a hexadecimal digit standing for 15.

They are special ASCII and Extended BCD codes reserved for special hardware/software purposes.