Widows and orphans are two kinds of typographically undesirable lines. Traditionally, a widow is defined as the last line of a paragraph that falls at the top of a column. An orphan is the first line of a paragraph that falls at the bottom of a column.

Using the Keep Lines Together feature, you can choose not to break paragraphs, so that if all the lines in a paragraph do not fit in a column or on a page, the whole paragraph will flow to the top of the next column or page. Alternatively, you can specify the number of lines that must be left at the bottom of a column or box, and at the top of the following column or box, when a paragraph is broken. Using the Keep with Next ¶ feature, you can keep a paragraph together with the paragraph that follows it. This lets you keep a subhead together with the paragraph that follows it, or keep other lines of text that logically go together from being separated.

It is common to specify Keep with Next ¶ for headline and subhead style sheets and specify Keep Lines Together (usually with Start and End parameters) for body text style sheets.

To turn the Keep Lines Together and Keep with Next ¶ features on or off for selected paragraphs, choose Style > Formats to display the Formats tab of the Paragraph Attributes dialog box, then check or uncheck Keep Lines Together and Keep with Next ¶.