Page layout is the process of placing and arranging and rearranging text (text composition) and graphics on the page to produce documents such as newsletters, brochures, books, etc.
Page layout also refers to the actual document page and its composition. The primary software programs for desktop publishing are called page layout applications or page layout software.
Desktop publishing is page layout. Designers do page layout by arranging text and images on the page to create an attractive and effective page layout.
Adobe PageMaker was the first desktop publishing or page layout program that made it easy to arrange and rearrange text and graphics on screen — no more scissors or messy glue.