A table containing basic information about each element of the taxonomy.
A table containing additional fields for the $wpdb->terms table.
A table with information about taxonomies and their descriptions.
A table linking taxonomies to content (posts, entries, etc.).
Table with link records.
Table of options (settings).
All sites in the network.
Contains the current version of each site's database. The data is updated when the database for each site in the network is updated.
Contains the data of site administrators that are created when the sites are created.
Contains users who were registered via basic WordPress registration from the page: ``Administration > Super Admin > Settings''.
Contains, the addresses of the main sites.
Site data: various options, including the site administrator.
A list of users of all sites on the network. This is a common table of users for the entire network. This is the usual WP users table, but in the multisite version two more fields are added: spam and delete.
Contains metadata of users. User settings for different network sites.
The base tables of each network site
Network site tables: wp_posts, wp_options etc. The same tables are created for each network site, but with a different prefix, e.g: wp_options, wp_1_options, wp_2_options...