Whats the Difference between Tartan and Plaid?
The question itself is not answerable because of the terms used. A tartan IS a plaid, but a plaid may or may not be a tartan. A tartan is a set pattern recognized by a clan chief or other authority as representative of that clan or group. There are tartans for Scottish clans, British and US military units, states, cities, and even many corporations have their own pattern.