THE HISTORY OF TARTAN

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Tartan is a woven material, generally of wool, having stripes of different colours and varying in breadth. The arrangement of colours is alike in warp and weft - that is, in length and width - and when woven, has the appearance of being a number of squares intersected by stripes which cross each other; this is called a 'sett’.                By changing the colours; varying the width; depth; number of stripes, differencing is evolved. Tartan patterns are called "setts"; the sett being the complete pattern and a length of tartan is made by repeating the pattern or sett over and over again.   Read More........ http://www.scotshistoryonline.co.uk/tartan-history.html