단원 11 레슨 D

An act is a major section of a play, opera, or ballet that is divided into distinct parts to organize the performance. Each act typically contains a series of scenes that advance the story, develop characters, and build towards key events. Acts help structure the narrative and provide natural breaks within the performance, often marking significant shifts in time or setting.

A track is an individual piece of music or audio within a larger collection, such as an album or playlist. It refers to a single song or instrumental recording that is part of a set of works, typically identified by its title. Tracks can vary in style, genre, and length, and they are often listed in sequence, allowing listeners to easily select and play specific pieces from an album or collection.

A competition is an event or activity where individuals or teams compete against each other to achieve a specific goal or win a prize. It can take place in various fields, such as sports, academics, or business. The participants are usually judged based on their performance, skills, or results, and the best or highest-performing individual or group is declared the winner. Competitions can range from friendly contests to highly organized and formal events, and they often have rules or guidelines to ensure fairness and structure.