Without the means or right of communicating with others: a prisoner held incommunicado; incommunicado political detainees. or adv , adj deprived... Incommunicado - definition of incommunicado by The Free Dictionary
The 15 pin the same vga cable can be used with a variety of supported resolutions, ranging from 640350px @70 hz (24 mhz signal bandwidth) to maximum resolution modern port is 2048 by 1536 pixels at 85 hertz as 2013.
The terms VGA, SVGA, XGA, SXGA, UXGA etc., all relate to the resolution a monitor supports. The video format is the same despite the different designations and as an example a UXGA monitor can Display resolutions from VGA all the way up to UXGA. In all cases they use the same HD15 connector (below images) and VGA and SVGA cabling.