The tracking number in the email is a live link. Please click it and you will be shown package progress data. You will also see the tracking number on the page is another live link. If you click it, you will be directed to the carriers website for even more information.
If you selected a USPS (US Postal Service) shipping option, and you are seeing a message saying something like "Post Office is waiting for parcel acceptance", there is a step you might want to do. If you scroll down on the page at the USPS website you will see where it says Text & Email updates. If you put your name and email in there it will prompt the post office system to locate your box and scan it. Usually, you will see package progress updates within 24-48 hours of putting your request in.