A word processor, or word processing program, does exactly what the name implies. It is used to manipulate a text document, such as a resume or a report. We typically enter text by typing, and the software provides tools for copying, deleting and various types of formatting. So in given options it would most likely be used to do type a biography.
The gutter margin is a typographical term used to designate an additional margin added to a page layout to compensate for the part of the paper made unusable by the binding process. In a facing pages layout (Word refers to this type of layout as "mirror margins"), the gutter margin is on the very inside of both pages.
Which can be used for quick access to commonly used commands and tools?