Media
Description is one of four rhetorical modes, along with exposition, argumentation, and narration. Each of the rhetorical modes is present in a variety of forms and each has its own purpose and conventions. The act of description may be related to that of definition.
Description is also the fiction-writing mode for transmitting a mental image of the particulars of a story.
The pattern of development that presents a word picture of a thing, a person, a situation, or a series of events.
The most appropriate and effective techniques for presenting description are a matter of ongoing discussion among writers and writing coaches.
LIVE STREAMING
When the book is divided into numbered chapters, by convention the introduction and any other front-matter sections are unnumbered.

Podcast
In this case the set of sections that come before the body of the book are known as the front matter.When the book is divided into numbered chapters, by convention the introduction and any other front-matter sections are unnumbered.When the book is divided into numbered chapters, by convention the introduction and any other front-matter sections are unnumbered.
Media Archieves
When the book is divided into numbered chapters, by convention the introduction and any other front-matter sections are unnumbered.When the book is divided into numbered chapters, by convention the introduction and any other front-matter sections are unnumbered.When the book is divided into numbered chapters, by convention the introduction and any other front-matter sections are unnumbered.
Online Radio/TV
The formal qualities of video games are non-linearity, interactivity and virtual presence.If a User guide is written, the introduction is about the product. In a report, the introduction gives a summary about the report contents.When the book is divided into numbered chapters, by convention the introduction and any other front-matter sections are unnumbered.