Non-printing lines, often dotted, that aid in flow and alignment of text and positioning of graphics during page layout are known as guides. Most desktop publishing software applications allow the user to drag guides onto the page or position them precisely using a dialog box.
Groups of guides form a grid. There are three types of non-printing guides:
Some software may use different names but they have a similar function in most programs. Guide may act differently depending on if they are placed on master pages or on regular publication pages in the document.
Also Known As: guidelines | grid lines
Examples: (see photo) The pink and blue lines represent non-printing guides used to align objects and control the placement and flow of text in a page layout software application.