Final answer:
A column break is a formatting feature used to end a column and start a new one in publishing or word processing software.
Step-by-step explanation:
A column break is something you can insert in a column so that the column ends at that point and text jumps to the start of the next column. It is a formatting feature commonly used in publishing or word processing software to control the layout of multiple columns of text. For example, in Microsoft Word, you can insert a column break to end a column and start a new one.
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