|Hover over the red thing that looks like a button to compose a new email, or create a reminder|
|After you hover over the button, it says compose, and gives you various other icons to try to figure out|
Anyway, Inbox is worth the hassle of learning. It's a great improvement over regular Gmail. And I even like the reminders (that's the finger with a string tied around it, or twirling a pretzel). What the old-style razor blade with a star on it means, I have no idea. Maybe it's a building block? A ticket stub?