This is one example of many castles in the medieval time period. There were many parts to a castle. But, it depended on how the castle was built to recognize parts that did and did not appear on the castle built.
Like spray paint, these markers give off volatile organic compounds. Some of the most recently made permanent markers are made from recycled plastic.[citation needed] The permanent marker was invented in 1952 by Sidney Rosenthal.
We see the first evidence for this with incised counting tokens about 9,000 years ago in the neolithic fertile crescent. Around 4100-3800 BCE, the tokens began to be symbols that could be impressed or inscribed in clay to represent a record of land, grain or cattle and a written language was beginning to develop.