What are the parts of a lamp called?

A lamp has many parts called by different names. The decorative piece that the lamp rests on is its base. Inside of the base is a tube called a pipe. A bulb screws into a socket on the top of the pipe. Bent metal wire called a harp surrounds the bulb. The purpose of the harp is to hold the shade, and most have a decorative accent called a finial on top. On 1stDibs, find a large selection of vintage and antique lamps.