Explanation of the terms used:
Subscriptions: the most used Standard License subscription. Buyers subscribe on a monthly basis and can download up to 750 images over the course of 30 days. Shutterstock will initially pay you 25 cents every time one of your images is downloaded, with a tiered set of raises to 33 cents, 36 cents and 38 cents per download as you reach the $500, $3,000 and $10,000 lifetime earning milestones.