Downloads goes Where?

I have downloaded raely much addons but i have no idea where to put them
theres some files that are just folders. do i just put them in addons?
these are the types i have

.bsp

And like Wiremod and phx where to put my things? just take em all in the addons?

i know some of them come with README but not all does that.

Put BSP’s in maps

Most others go in addons

Besides reskins