A prime lens is a lens with a fixed focal length as opposed to a zoom lens which has an adjustable focal length. They typically take higher quality photos.
Throwing pots is the art of molding ceramic clay with your hands on a spinning wheel. The potter either kicks a kick-wheel or controls an electric foot pedal.
The universal tripod mount is a standard sized threaded adapter that makes every film and still camera compatible with every tripod. Photographers got it right!
Vectors can be blown up perfectly to any size, but a vexel is a pixel-based raster image taking after the stylized, mathematically smooth image of a vector.
In photography a walk around lens is a decent lens for a variety of subjects and situations. Typically it is a zoom lens with an adjustable focal length.