Business Domain Model with entity descriptions

Hello,

Can someone suggest a resource (online or book) which also describes the main entities (and maybe some of their properties) of a standard ecommerce website.

I found this UML diagram (https://www.uml-diagrams.org/examples/online-shopping-domain-uml-diagram-example.html) as an example, but I would also like to see some descriptions for the actual entities (Cart, Order, LineItem, etc)