neh thats not wat i ment

i ment lets say

u have two parts here -| |- they are noit connected it isnt a face in between them
- = a face

i want to b able to just select the 4 verticies on those two face and press a button then it creas a face

like -|-|- liek dat O.o hard to xplain i think

but yeh how to make a face from verticies