1. The earliest Chinese characters appeared on oracle bones and animal bones in the form of Oracle Bone Scripts. Traditional Chinese characters were later simplified by the Chinese government in the 1950s to make reading and writing easier.
2. There are four main categories in the formation of Chinese characters: Pictographs directly depict objects, Ideographs represent ideas, Associative characters combine simpler images, and Picto-phonetic characters combine a meaning component with a phonetic component.
3. Examples are given for each of the four categories including Pictographs like "人" for person, Ideographs like "上" for up, Associative characters like "看" which combines hand and eye, and Picto-phon