The human-readable name of this media type.
A unique machine-readable name for this media type.
Describe this media type. The text will be displayed on the Add new media page.
The media source cannot be changed after the media type is created.
Media source configuration
Image field is used to store the essential information about the media item.
Field mapping

Media sources can provide metadata fields such as title, caption, size information, credits, etc. Media can automatically save this metadata information to entity fields, which can be configured below. Information will only be mapped if the entity field is empty.

Default options
Media will be automatically published when created.
Automatically create new revisions. Users with the "Administer media" permission will be able to override this option.
Download thumbnails via a queue. When using remote media sources, the thumbnail generation could be a slow process. Using a queue allows for this process to be handled in the background.
Explanation of the language options is found on the languages list page.