Camera Lenses Guide Extremely Useful. Anyone Know How To Use A Canon T70 Film Camera??

Anyone know how to use a Canon T70 Film Camera?? - camera lenses guide extremely useful.

I inherited a Canon T70 and I really do not understand how to use the lens of the camera functions? Not really knowing what they mean brands of lenses Yugoslavia. 50mm? I would appreciate a quick guide to what does all this mean in this animal from the old school? Thx