A Content Node contains all content related to a resource such as a News Article.
Content Nodes are not directly accessible through the API.
###Associations (Layout Structure) A Content Node has many Layout Containers. A ContentNode can be placed on a Page of any kind, such as a Team Instance or an Event.
####Layout Containers A Layout Container contains a block of content within a resource such as a News Article. Layout Containers may have between one and three Layout Columns.
####Layout Column
A Layout Column organizes content within a Layout Container vertically into columns. Layout Columns contain Page Elements such as the TextBlock or Photo Elements.