This document discusses various features of word processing software including word wrap, zoom view, full screen view, landscape and portrait page orientations, and the undo command. Word wrap allows words to flow to the next line when they do not fit on the current line. Zoom view and full screen view change the magnification and viewing area of the document. Landscape orientation makes the page wider than tall while portrait makes it taller than wide. The undo command reverses recent edits made in a document.