Comments allow your website’s visitors to have a discussion with you and each other. When you activate comments on a Page or post, WordPress inserts several text boxes after your content where users can submit their comments. Once you approve a comment, it appears underneath your content. Whether you want to customize how you receive comments or tweak how your site displays comments, WordPress provides a thorough set of options to build a community from the visitors to your site.
Comment screen
All comments on a WordPress website are displayed on the Comments dashboard in your WordPress admin area. It displays all comments by default