A clincher sentence is a closing statement in a paragraph that summarizes the main point or reinforces a key idea. It is used to leave a lasting impression on the reader and tie together the information presented in the paragraph.
topic is how u start off main idea is what this is mainly about
Clincher sentence
Thesis statement is your main idea summed up into one sentence
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.
a topic sentence
Topic sentence
The topic of a sentence is the general subject being discussed, while the controlling idea is the main point or the specific focus of the sentence. To identify the topic, look for the subject or the main noun in the sentence. The controlling idea is usually the main point about the topic that the sentence is trying to convey.
simple sentence with the main idea.
The topic is like the main thing you are going to talk about but main idea is the main sentence of a passage
The main idea in a sentence may be determined by analyzing the individual subject, verb, and object. Getting the main idea is often achieved by analyzing the different key words as well.