Reviewing Metadata “Content Types” in SharePoint Server 2013 & Office 365
Reviewing Metadata “Content Types” in SharePoint Server 2013 and Office 365 | SharePoint Online
A content type is a reusable collection of settings and rules applied to a certain category of content in SharePoint. Content types define more granular attributes for documents, content, and library or list items. They allow you to associate information management policies to your SharePoint sites and site collections and play a key role in enforcing SharePoint governance.