<p>They're as described in the help page:</p>
<p><a href="https://stats.stackexchange.com/help/privileges/moderator-tools">https://stats.stackexchange.com/help/privileges/moderator-tools</a></p>
<p>Only diamond moderators can edit/delete other users' comments.</p>
<p>There's also a site-wide elaboration of the role of moderators here: <a href="https://meta.stackexchange.com/questions/75189/who-are-the-diamond-moderators-and-what-is-their-role">Who are the diamond moderators, and what is their role?</a></p>
