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A program used to create and print (chiefly textual) documents that might otherwise be prepared on a typewriter. The key advantage of word processor is its ability to make changes easily, such as correcting spelling, changing margins, or adding, deleting, and relocating entire blocks of text. Once created, the document can be printed quickly and accurately and saved for later modifications.
Today most popular word processors, such as Microsoft Word, offer a much greater range of facilities than the first such programs.
Compare text editor.
computer program used to write and revise documents, compose the layout of the text, and preview on a computer monitor how the printed copy will appear. The last capability is known as "what you see is what you get" (WYSIWYG; pronounced wi-ze-wig).