WHAT DO YOU MEAN BY PREVIEWING A DOCUMENT?
Answers
Having a look at it but not edit it
Explanation:
Preview is a computing function to display a document, page, or film before it is produced in its final form. In the case of printed material this is known as "print preview".
"Show preview" button in MediaWiki
Contents preview Edit
Using Preview feature, users can preview and see the current stage of the process before producing into a final form. Preview lets users to visualize current/final product and correct possible errors easily before finalizing the product. Preview is necessary for markup language editing software like Web development applications.
Web development application like Adobe Dreamweaver and most HTML editors have 'Preview in Browser' feature. During webpage development, you must preview the page in a browser to see the definitive end result. Though browsers in general produce the same results, each browser version can display HTML pages somewhat differently. Preview in Browser shows what the codes will appear in specified Web Browser. For seeing the difference and seeing what your site visitors will see after you publish your pages, the Preview function exists.
Video editing applications also have preview feature to see the current product made during the editing process. Apple Inc.’s video editing software, Final Cut Pro’s interface has two preview windows, 'Viewer window' and 'Canvas window'. 'Viewer window' lets users to preview clips and decide which one to use. User can also make changes to clips in this window. 'Canvas window' is a program window that shows finished program and letting user to preview the creation so far.
Many interactive websites and online forums allow users to preview their contents before submitting it. This is particularly useful on sites with complex markup (not WYSIWYG), where it serves as an opportunity to identify and correct errors and formatting problems before saving the content.