Category: Lists of four-character combinations This article needs copyediting (checking for proper English spelling, grammar, usage, etc. ... Second City (Volume 1) DVD Second City Television, or SCTV, was a Canadian television sketch comedy show offshoot from the Toronto troupe of The Second City. ... To meet Wikipedias quality standards, this article or section may require cleanup. ... It has been suggested that Apocopation be merged into this article or section. ... It has been suggested that this article or section be merged with Backronym and Apronym (Discuss) Acronyms and initialisms are abbreviations, such as NATO, laser, and ABC, written as the initial letter or letters of words, and pronounced on the basis of this abbreviated written form. ... Acronyms and initialisms are abbreviations formed from the initial letter or letters of words, such as NATO and XHTML, and are pronounced in a way that is distinct from the full pronunciation of what the letters stand for. ... Call sign can refer to different types of call signs: Airline call sign Aviator call sign Cosmonaut call sign Radio and television call signs Tactical call sign, also known as a tactical designator See also: International Callsign Allocations, Maritime Mobile Service Identity This is a disambiguation page — a navigational aid...