(A) To highlight the subtopics you’ve already written about in order to avoid creating duplicate content
(B) To be able to sort subtopics by topic efficiency, so that subtopics that are most relevant to your content will be shown first
(C) To exclude subtopics with branded keywords that are related to your domain
You can enter your competitor’s domain name or your own domain name along with a topic in the Topic Research Tool. If you enter your own domain name then the tool will show you all the subtopics you have written about. This will help you to prevent any duplicate content issues on your website.
This answer is a part of the SEMrush Content Marketing Toolkit Exam. You can get all the answers with detailed explanation to this exam by visiting our SEMrush Content Marketing Toolkit Certification Exam page.