In the drill,the cone shaped end which does the cutting is called Point.

The part of the taper shank drill which fits into the slot of the drilling machine spindle is called as Tang

The point angle of twist drill of general purpose is 118 degree.

"The key difference between Jigs and Fixtures is that a jig is a type of tool used to control the location or motion of another tool. On the other hand, a fixture is a support or work holding device used to hold work in place. In metal and wood working, both jigs and fixtures are essential tools used