? What do you mean?

"? What do you mean? "This problem involves the meaning and usage of punctuation. The following is the answer to this question:

Punctuation is a symbol used to separate, connect and express mood and intonation in written language, which has clear usage and significance.

1. question mark (? ): A question mark is used to indicate the end of a question, indicating that you want an answer or confirmation. For example, "Do you like fruit?"

2. period (. ): a period is used to indicate the end of a statement or pause, and is often used in the last sentence of a paragraph. For example, "The weather is fine today."

3. Comma (,): Comma is used to separate coordinate components in a sentence, or to indicate a short pause in a sentence. For example, "He likes dancing, singing and painting."

4. exclamation point (! ): Exclamation marks are used to express strong feelings or surprise and are often used at the end of exclamatory sentences. For example, "What a beautiful scenery!"

5. Colon (:): Colon is used for example, explanation, summary or emphasis. For example, "He has a hobby: collecting stamps."

6. Semicolon (; ): Semicolons are used to separate independent clauses in a sentence, indicating relatively independent but related content. For example: "I like watching movies; She likes reading. "

7. Ellipsis (…): Ellipsis is used to indicate ellipsis, suggestion or uncertainty or pause in tone. For example, "Do you know what I'm thinking ..."

8. exclamation point (? ): an exclamation point is a combination of two exclamation points, which is used to express strong feelings or emphasize tone. For example, "Isn't this great?"

9. Quotations (""): Quotations are used to quote or express special meanings, and are often used in quotations, dialogues, slang, etc. For example, "He said,' I'm going shopping.' "

10. Dash (—): Dash is used to connect relatively independent but related content, and can also be used to express emphasis or insert instructions. For example: "His mantra-'Really?' "

The above is the basic usage and meaning of common punctuation marks. Punctuation plays an important role in writing, which can help to express clear and accurate meaning. Understanding and using punctuation marks can improve the effect of writing and the accuracy of expression.