They're used for eating, drinking, working, and for playing. Those of us who work magick use them also. I think that one of the first things necessary in any discussion, is to start with common vocabulary. The definition, by the way, was courtesy of Webster's Universal College Dictionary. The adept is able to make that connection with few or no tools.
Tools differ from task to task and from person to person fulfilling the same task.
You'd use a screwdriver to remove a screw and not a jack hammer. Two people may need to accomplish a task, but may each use different tools in its accomplishment. I mentioned briefly the etheric or astral realms. We live in the world of humyns, whereas elementals and deities live in those realms we cannot embrace with our 5 senses. When a Wikkan works magick, they create a space between those two worlds by using the different tools available to them.