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]
An announcer is someone who presents music, news, and/or sports and may provide commentary, or interview guests, about these topics. Some act as a master of ceremonies (emcee) or disc jockey (DJ) at weddings, parties, or clubs. Many announcers work in radio and television studios.