How do I log off this site? I'm certain it's easy but I'm currently flummoxed!
I utilized the tags below just so I could post the query.
The rightmost icon in the top bar (which is a greyscale version of the Stack Exchange logo) opens a menu and "log out" is nearly directly underneath, on the same line as the name of the site you're on, next to the links for "help" and "chat".
If you have an unregistered account you might instead see "register". If you don't want to lose all access to your account you need to register, otherwise you can delete your cookies to log out, or use this link: https://english.stackexchange.com/users/logout. (See How do I logout from a non-registered account?)
Swipe from the left edge to the right to reveal the navigation drawer. At the bottom, under "Other", is "Log Out".