The term refers to the characteristic quadratic design, generally produced on a woolen fabric, distinctive from the Scottish single "casates" of the Highlands, around which the population claned into clan. Forbidden by the English Parliament in 1746, because it was a symbol of civilian wartime wars, the use of tartan had to be replicated after even forty years. If you know dozens of variants, of which we quote: Drese Steward, with red, green and blue paintings on a white background; McDonald, with paintings and green and blue bands; Buchanan, with small paintbrushes; Royal Steward, with a vivid red background and intersection of green and blue bands; Menzies, white and black chess, etc. It is used in laners and especially for the kilt pack, the typical Scottish skirts.