how many belts does a '97 tacoma have (4 cyl 2.4 L) and what do they control? on 1997 Toyota Tacoma

One of my belts popped off and while I stil have power steering, the engine overheats. I guess that belt controls he water pump. Also the battery light is on, so I guess the battery is not being charged either....truck onli has 119k though.....

Asked by for the 1997 Toyota Tacoma
Does it have A/C?..........Has the hood been opened yet , for an actual visual inspection?