They make the page less daunting and easier to read. These types of columns are used in newsletters, magazine articles, or brochures. Balanced newspaper columns. The columns break when necessary to make sure that they are always the same length. Text flows across the page in rows.
Parallel columns are useful for plays, inventory lists, resumes, schedules, and itineraries.
Parallel columns with block protect. WordPerfect makes sure that all text within each parallel column always stays together on the page without being split by a page break. This effect is accomplished much more easily in tables. The easiest way to put your text into columns may not be the easiest way to write. Some people prefer to watch what they write appear in its final form.