WP_Post Object Summary
The WP_Post object contains post object information stored in the database and can be returned by various functions such as get_post.
WP_Post Object Data Contained in the Object
Some examples of object data that can be contained in the WP_Post objects include the type of post, date of post, content of post, the status of a post, and more.
WP_Post Object Role in the Page Load
When a page loads, the WP_Post object is used to load the page and helps retrieves the appropriate information that the code calls for.
Summary
The WP_Post object is very important to WordPress's functions and several parts of WordPress would not be able to function without it.