In WordPress 4.7, two additional labels have been made available for custom post types. These get passed in via the labels argument when using register_post_type(). The following labels are new:
view_items– The post type archive label used in the toolbar on the edit screen. Default “View Posts” / “View Pages”. See #34113.attributes– The label used for the title of the post attributes metaMeta Meta is a term that refers to the inside workings of a group. For us, this is the team that works on internal WordPress sites like WordCamp Central and Make WordPress. box (used to select post type templates). Default “Post Attributes”/ “Page Attributes”. See #18375.