Quick Answer. The formula bar is a feature in Microsoft Excel that enables users to create and view formulas. It is typically labeled with a function symbol (fx), and it is sometimes referred to as the formula box. Continue Reading.
An audio commentary is an additional audio track, usually digital, consisting of a lecture or comments by one or more speakers, that plays in real time with a video. Commentaries can be serious or entertaining in nature, and can add information which otherwise would not be disclosed to audience members.[1]
Word Origin and History for commentator Expand. n. late 14c., writer of commentaries, agent noun in Latin form from comment or commentary (Latin commentator meant inventor, author). Middle English also had a noun commentate, attested from early 15c. Meaning writer of notes or expository comments is from 1640s; sense of one who gives commentary (originally in sports) is from 1928.