G-Man (Half-Life) refers to simply as his "employers". His mysterious nature has made him an icon of the "Half-Life" series, with his identity and motives remaining almost completely unexplained. The G-Man's name comes from "G-Man", an American colloquialism meaning "Government Man". However, within the "Half-Life" games, he is identified by this name only in the program code and the multiplayer profile menu as a default name option, not within the story itself; his name is derived from his "Half-Life" model and entity name and has since been reused in subsequent games of the series. His name has been confirmed and he has
G.983 G.983 ITU-T Recommendation G.983 is a family of recommendations that defines Broadband Passive Optical Network (BPON) for telecommunications Access networks. It originally comprised ten recommendations, G.983.1 through G.983.10, but recommendations .6–.10 were withdrawn when their content was incorporated into G.983.2. The current view is that the BPON standards are mature, and no further work will be done on them after the 2007 round. The GPON OMCI definition will be revised to stand alone, rather than citing G.983.2. Although G.983 is directed at BPON, the GPON recommendations draw heavily on it, especially G.984.4, which defines the management model for GPON ONTs.