Listed here is "each mode" for vim.
I did not see "search" in the list, but I should think that search (
?) would be a mode on its own.
I have to make a very formal presentation about my internship, and I had some space on my poster, so I decided to put a small section regarding how important text editors are for coders since they are in them so much. Since I learned a lot, as I would look up things at home and occasionally at work regarding how to do something, I decided to put a little about vim. So, this seemingly trivial question is actually fairly important to me currently ... and I wouldn't wan to to mislead anyone :P (despite the fact that no one will care and it is, indeed, extremely trivial).
ps I didn't notice a "search-mode" tag for stackexchange tags below. Does that mean that I have already guess the answer?
... What do you all think? Is search a "true" mode?