What is the function of the promote and demote arrow buttons in word

The function is to promote or demote a numbered paragraph is by using the “Decrease Indent” button or the “Increase Indent” button in the top row of the Paragraph group in the Home tab. Assuming you are using automatic paragraph numbering of some sort, that method should work 100% of the time. Each time you press the button, Word promotes or demotes the paragraph your cursor is in one more level.

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