The plugin adds the function of displaying indicator icons in the admin bar.
Indicators are pictures with the number of new actions. For example, if someone has added a review to the site, a review indicator will appear with the number of new reviews. If you click on the icon in the admin bar, there will be a quick transition to the page of new reviews.
Indicators are very convenient to use, but cause additional load on the server. That is why there is a page for displaying indicators. On the settings page, you can disable the output of a particular indicator.
To get to the settings page, you need to click on the indicator icon.