Hi all, I have a very basic question. I see a lot of "electron carriers" or "carrier electrons" terminologies. What does they actually means? Are they telling that electron as carrier for current? Because I thought that current is electrons that move from a point to another point, and that's it. I do not see that they 'carry' anything. Well, of course they have force such as from interaction between electrons etc., and they have energy. But, 'to carry' something?? I don't get it, is it just physics frenzy words or does this terminology actually have a physical meaning? Thanks in advance.