http://www.westca.com/Forums/viewtopic/t=29773.html
There is another form called "Goods in Possession". That's the list for stuff you bring with you when you landing. For my example, if I just want to get my paper work and don't want to move to Canada soon, my "Goods in Possession" could be a really short list. I still need to submit "Goods to Follow" form to list what I will bring to Canada latter on though.
Hope this helps. Please correct me if I made any mistakes.