Which of these techniques can help a writer identify main ideas and groups of supporting ideas?

A) Identify the scope
B) Limit the number of main ideas to three
C) Brainstorm
D) Evaluate the sense of urgency for the receiver
E) Form a topic sentence

Media Richness

The theory that describes the potential information-carrying capacity of a communication medium, including its ability to handle multiple cues simultaneously, facilitate rapid feedback, and establish a personal focus.

Topic Sentence

Sentence that introduces the topic of a paragraph.

Scope

The extent or range of view, outlook, application, operation, or effectiveness of an object or subject.