Google's Gmail Web-based email service runs on the Internet Message Access Protocol system, but it also offers Post Office Protocol mail server access.
Definition of LUMEN. 1. 2. : the bore of a tube (as of a hollow needle or catheter). 3. : a unit of luminous flux equal to the light emitted in a unit solid angle by a uniform point source of one candle intensity.
Lumens in a way are like describing a 60-watt or 100-watt lamp. Lumens describe the intensity of the light a lamp or bulb will produce. Lumens are directly proportional to the wattage of the lamp. The higher the wattage, the higher the lumens, and vice-versa.