How to hit the sliding horizontal line: Press Shift and the minus sign key (-) on the keyboard. This will create a horizontal line.

1. The function and use of horizontal lines

Horizontal lines are a common text symbol that can be used in different situations and purposes. The following are the main uses of horizontal lines:

1. Dividing line: Horizontal lines can be used as lines to divide content and distinguish different paragraphs or chapters. When formatting and editing documents, horizontal lines can make the structure of the article clear and enhance readability.

2. Strikethrough: Horizontal lines can also be used to indicate deletion or cancellation of certain content. When editing text, when you need to delete or mark part of the text, you can express it by drawing a horizontal line above the text.

3. Signature line: On some documents or contracts, horizontal lines can be used as the location for signatures. When a document needs to be signed, a horizontal line can be drawn in the designated position to indicate the validity of the signature.

2. Methods of drawing horizontal lines on different platforms and software

The following are specific methods of drawing horizontal lines on common platforms and software:

1. In Microsoft Word , you can use the following method to draw a horizontal line:

a. At the position where you want to draw a horizontal line, press the "Shift" and "-" keys on the keyboard.

b. You can also select the horizontal line style in the line through the "Shape" option in the insertion menu.

2. In Google Docs, the method of making a horizontal line is as follows:

a. Enter "---" or "___" where you want to make a horizontal line, and then press Enter key.

b. You can also use the "Horizontal Line" option in the Insert menu to insert a horizontal line.

3. In the browser, you can use HTML tags to insert horizontal lines. The specific method is as follows:

a. Use the "hr" tag, for example: "

b. You can customize the style and attributes of horizontal lines through CSS styles.

4. In email and instant messaging software, you can use the following methods to type a horizontal line:

a. Enter "---" or "___", and then press the Enter key .

b. Some software also provides specific shortcut keys or buttons to insert horizontal lines.