Explanation

Click the Format drop-down menu in the main menus.

Click the Format drop-down menu in the main menus, you will find the all slide design features are grouped there: Themes, Layout, Background styles, Hide Background Graphics, and Reset.

Explanation

To exit Microsoft PowerPoint, clicking the "X" button at the top-right corner of the window will close the application.

This action properly exits the program.

Explanation

Line spacing is the vertical space between lines of text in a document.

It helping to improve readability and layout.

Explanation

To insert a new slide in MS PowerPoint, you can use the "Insert" tab and then click on "New Slide."

Explanation

Automatic text formatting refers to the feature in word processing software that automatically applies formatting to text as you type. 

The examples listed are all common types of automatic text formatting:

• Adjusting extra space: Automatically removing extra spaces between words or sentences.
• Underlining hyperlinks: Automatically underlining links to distinguish them from regular text.
• Replacing two hyphens with an em dash (—): Automatically replacing two hyphens with a single em dash.