What is the topic sentence

I think it is sentence 3 please let me know if you think it is as well

Voice mail is usually part of your firm’s phone system. It is a way to digitally record messages, and it allows “random access” so you can skip, delete, save, and forward messages. Voice mail can be one of your most important business tools. Using it effectively allows you to time-shift (you take your calls only when it’s convenient for you) and place-shift (you can check your messages while you are away from your desk).

1. First sentence (Voice mail is . . . )

2. Second sentence (It is . . . )

3. Third sentence (Voice mail can . . . )

4. Fourth sentence (Using it . . . )

Yes, that is your topic sentence.

Sra

The topic sentence is usually the main idea or central point of a paragraph. It introduces the main topic or subject that will be discussed in the rest of the paragraph. In this passage, the topic sentence is the sentence that introduces the main idea about voice mail.

Looking at the given passage, the third sentence (Voice mail can be one of your most important business tools) is indeed the topic sentence. It introduces the main idea that voice mail can be a crucial tool for businesses. The following sentences provide supporting details and explanations about the benefits and functionalities of voice mail.

Therefore, your initial thought that sentence 3 is the topic sentence is correct.