what does my clipboard do, and how do i access it?

when i was solving a challenge (the baby rattle) i had to leave but was really close to solving it. So i looked around for some sort of “save” button… but all i found that might have been one was the “clipboard” button, so i clicked it and it said something was saved to my clipboard… but i have no idea how to access that.

Saving is automatic: when you return to the puzzle later, it will give you the option of picking up where you left off (as long as you’re on the same browser).

The clipboard allows you to copy and paste sequences into external applications, such as Microsoft Word