[software] Tk is a free and open-source, cross-platform widget toolkit that provides a library of basic elements of GUI widgets for building a graphical user interface (GUI) in many different programming languages. Tk provides a number of (GUI) widgets commonly needed to develop desktop applications such as button, menu, canvas, text, frame... Found on http://en.wikipedia.org/wiki/Tk_(software)
abbreviation: Turks and Caicos Islands (UK islands at SE end of Bahamas chain on Atlantic Ocean approx 90nm N of Hispaniola (Haiti and Dominican Republic island)
Found on http://www.encyclo.co.uk/local/20021
Short for ‘to come’, a sub-editor’s mark in text that additional material will be inserted there later, before production and printing. Occasionally written as ‘TKTK’ so it will not be missed. Found on http://www.thenewsmanual.net/Resources/glossary.html