You most probably want to submit your home page (e.g. http://www.yourwebsite.com) or the page you want to promote (e.g. http://www.yourwebsite.com/article-about-something).
Token serves as your money on GPlus Planet. You will pay 1 token to the other users of GPlus Planet to give you G+1.
Example: 1 G+1 = 1 Token
You may get tokens by giving other websites G+1 via Collect Tokens page.
Now go to your dashboard and manage your website(s) and check how many G+1 you've got.
Important Note: It may take hours to get activities. So keep coming back to your dashboard to check what did you get.