manage_edit-post_columns vs manage_post_posts_columns

What is the difference between manage_edit-post_columns and manage_post_posts_columns?

In WP 3.1, manage_edit-{$post_type}_columns has been supplanted by manage_{$post_type}_posts_columns.

– manage_edit-post_type_columns in WordPress Codex

Helpful Resources

• https://www.smashingmagazine.com/2013/12/modifying-admin-post-lists-in-wordpress/
• https://codex.wordpress.org/Plugin_API/Filter_Reference/manage_edit-post_type_columns
• https://developer.wordpress.org/reference/hooks/manage_this-screen-id_sortable_columns/