Is the main idea of a paragraph always stated? If not, how does the writer convey the idea, and how ...

(Answer to Q. 1)  The main idea of a paragraph is not always stated. If the main idea is not
stated, the writer implies the idea and the reader determines the idea by
making an inference.

(Answer to Q. 2)  The main idea of a paragraph can be stated anywhere in the paragraph.
The best location for the practicing writer to state the main idea is at the
beginning of the paragraph.

(Answer to Q. 3)  The main idea of a paragraph is called the topic. The term for the
statement in which the main idea is stated is the topic sentence.

(Answer to Q. 4)  As it applies to writing, collaborate means that the writer works with one
or more other persons to produce a piece of writing.

(Answer to Q. 5)  Brainstorming is listing what you know about a subject in order to
generate main ideas and supporting details for a paragraph or essay.

(Answer to Q. 6)  Freewriting is a prewriting exercise. Its primary purpose is to generate
ideas for writing.