the problem starts when you
try to give to much meening to a thing without much... if you understand the 'cold' defenition of flux - thats enouph in physics. flux is only important because of Gauss law!! we define the flux of an electric field only because the total flux throw a closed surface is equel to the net charge in the volume bound by the surface (proporsional, it is the net charge devided by epsilon0!) If you think about it- its a very powerful statement! if you know the technuiqe of callculating flux, you can find out what's the charge in that area you have to understand that this is an empiric law! and is one of the basic law of the electric field. it is equivalent to the empiric law of culomb and is based on the fact that the electric field decends like r^-2 sorry for speling mistakes, i would have written in hebrew but i have keyboard problems...