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.
A Lumen is a unit of measurement of the amount of brightness that comes from a light source. For example, a 100 watt light bulb produces roughly 1200 Lumens. In this case, we are referencing the amount of light produced by a projector or the projector lamp inside the projector.When purchasing a projector, the Lumens Rating is very important.or example, a 100 watt light bulb produces roughly 1200 Lumens. In this case, we are referencing the amount of light produced by a projector or the projector lamp inside the projector.