The topic of the paragraph.
a topic sentence
Topic sentence
if a paragraph does not have a topic sentence then
Implied Main Ideas sometimes,there is no topic sentence in a paragraph. this does not mean,that there is no main idea. (implied) (:-)
The sentence that states the main idea of the paragraph is called the 'Topic Sentence'.
Topic Sentence
The sentence that introduces the paragraph's main ideaa sentence that introduces the subject of the paragraph.
The topic sentence summarizes the main idea of a paragraph and supports the thesis.
If you mean what sentence in the paragraph contains the main idea then it would be the topic sentence and the rephrased version of the conclusion.
It is the first sentence of a paragraph which is the topic sentence.
Topic sentence
Topic Sentence