You track your post mail whether it's reached or not. It will be verified for completeness whether all required forms , documents are complete. If your application found complete, it will be forwarded to visa office for Processing and notification will be sent to you through email. this notification is called AOR. This process takes around 30-50 days approx.
Once you receive your AOR , within few days you application status can be tracked on CIC site for further process..