1. Famous aphorisms refer to famous words spoken, written, recorded in history, concluded or suggested through practice, and used as warnings by some celebrities or ordinary people. Famous aphorisms are easy to pass down and are the concentrated essence.

2. A motto is the essence of one person’s wit, the wisdom of everyone. The motto requires positive content, which can be the wisdom of smart people or the experience of the elderly. Motto is a concise and concise statement that can be used as a standard for people's behavior. From the perspective of syntactic structure, aphorisms are relatively complete and independent sentences that can be used to express thoughts independently.

3. A proverb is a type of idiom. It is a relatively concise and concise saying spread among the people. Most of them reflect the practical life experience of working people and are generally passed down orally. It is mostly an easy-to-understand short sentence or rhyme in spoken form.

4. Xiehouyu is a special language form created by the Chinese people in their daily life practice. It is a short, funny and vivid sentence. It consists of two parts: the former part plays the role of "introduction", like a riddle, and the latter part plays the role of "backing", like the answer to a riddle, which is very natural and appropriate. In a certain language environment, usually by saying the first half and "resting" the second half, you can understand and guess its original meaning, so it is called "Xiehouyu".