From Microsoft: Windows Media Player allows you to play audio and video files locally stored and streamed from the Internet. It includes a visualizer, a jukebox, a media guide, an Internet radio tuner, a CD burner, and support for countless media formats and various external devices.
imperative. adj. 1. extremely urgent or important; essential. 2. peremptory or authoritative: an imperative tone of voice. 3. (Grammar) Also: imperatival grammar denoting a mood of verbs used in giving orders, making requests, etc.
essential definition: The definition of essential is completely necessary or part of the basic nature of something. (adjective) An example of essential is dedicated study skills to become valedictorian. An example of essential is innate intelligence. ...