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# XSL-FO Areas * * * XSL-FO uses rectangular areas (regions) to display output. * * * ## XSL-FO Areas The XSL Formatting Model defines a series of rectangular regions (boxes) to display output. All output (text, images, etc.) is formatted into these boxes and then displayed or printed to a target medium. Let's look at the following areas: * Pages (Pages) * Regions (Regions) * Block areas (Block Areas) * Line areas (Line Areas) * Inline areas (Inline Areas) * * * ## XSL-FO Pages (Pages) XSL-FO output is formatted into pages. Printed output is usually divided into several page segments. Browser output often becomes a long page. XSL-FO Pages (Pages) contain Regions (Regions). * * * ## XSL-FO Regions (Regions) Each XSL-FO page contains a series of Regions (Regions): * region-body (main body of the page) * region-before (page header) * region-after (page footer) * region-start (left column) * region-end (right column) XSL-FO Regions (Regions) contain block areas (Block Area). * * * ## XSL-FO Block Areas (Block Areas) XSL-FO Block Areas (Block Areas) define small block elements (usually starting with a new line), such as paragraphs, tables, and lists. XSL-FO Block Areas (Block Areas) contain other block areas, but most of the time they contain line areas (Line Area). * * * ## XSL-FO Line Areas (Line Areas) XSL-FO Line Areas (Line Areas) define text lines within block areas. XSL-FO Line Areas (Line Areas) contain inline areas (Inline Area). * * * ## XSL-FO Inline Areas (Inline Areas) XSL-FO Inline Areas (Inline Areas) define text within lines (emphasis, single characters, images, etc.).