Welcome to the Forum!
Most people test out of bed, before meals and 1-2 hours after the meal. The test strips are meter specific, so you will need to get the strips that work with your meter. Since you are ordering these, I'm reasonably sure that you already know this. The provided threads below will answer most of your questions.
Read through the first three threads in the Type 2 Section, when you get a chance, if you have not already done so. These threads will most-likely help you a lot. Self education is one of the keys to successful management of your diabetes, along with a healthy / sensible diet and exercise. Basically, diabetes requires a life-style change for the better. Good luck with your control and management.