|An article is content that is typically organized by category or keyword.
|A blog is content that is typically presented as reverse chronologically sorted on a single topic.
|Abstract class. A categorized item belongs to one or more categories.
|A category organizes other items and is contained in a hierarchy.
|Abstract base class. An item is something in a site or app that users can view or otherwise engage with. Typical examples are products, articles and blogs.
|A line item contains a single
EVGItem subclass and the quantity that were ordered.
|Location to associate with an Item, for example for filtering reasons if a product is only available in an area.
|An order sent upon user checkout. The order contains a total purchase value and line items representing each product and quantity.
|A product is an item that can be sold to users. Products can be added to
EVGLineItem objects when they have been ordered by the user.
|A user-created review of an item.
|Additional tags about an item such as Brand for products or Author and Keywords for articles.