Summary of WP Post Object
WP Post is a core class created by WordPress. It is used to contain the post objects that are stored by the database. The information contained is returned by functions such as get_post.
WP Post Object Data Contained in the Object
The data contained in the post objects is extensive. It is everything that WP knows about the site. The data is stored in a table. All of the data may be called in custom queries and functions.
WP Post Object Role in the Page Load
Wp Post object is used to store all the data for a post. In order to load a page, this data must be returned. This is done by calling the function get_post. This accesses the data in the object table and calls for the post content to be put on to the page using the loop. Different custom queries can be used to call other specified object data by hooking into the loop.
Summary
The WP post object is a way of storing all of the the data for a post in a singe table. It also allows for admin to call for data from that table using queries. This structure allows for the data to be more easily accessed.