Modeling summary
A content model describes the data being stored in the repository. The content model is critical. Without it, Alfresco would be little more than a file system. Here is a list of key information that the content model provides Alfresco:
Fundamental data types and how those data types should persist to the database. For example, without a content model, Alfresco wouldn't know the difference between a string and a date.
Higher order data types such as "content" and "folder" as well as custom content types such as "SomeCo Standard Operating Procedure" or "SomeCo Sales Contract".
Out-of-the-box aspects such as "auditable" and "classifiable" as well as SomeCo-specific aspects such as "rateable" or "client-related".
Properties (or metadata) specific to each content type.
Constraints placed on properties (such as property values that must match a certain pattern or property values that must come from a specific list of possible values).
Relationships or "associations" between content...
