A pricing profile is a set of prices that is applied to individual images (to sell a whole gallery, see the gallery's options instead).
It can be a simple price list, or a much complex structure for which the final price depends on a number of options -- PhotoDeck gives you extreme control over your offering and your prices.
To show prices on your website for an image or video clip, you must attach one or several pricing profiles to the image / video clip.
Defining several pricing profiles allows you to split your collection into different pricing tiers, and/or sell different kinds of products.
There are multiple pricing profile templates available to sell downloads, prints, stock photography, videos and documents, and all can be deeply customized.