"Bookmark a link" in my browser? (???) A link that lets me post? (What does that mean?) I'm more confused than before. I want a button that says "post", and p

"Bookmark a link" in my browser? (???) A link that lets me post? (What does that mean?) I'm more confused than before. I want a button that says "post", and presents a textfield that I can put a URL in.