Layouts (Pro)

There are 8 types of layouts, they are automatically created as you create the elements associated with them.

Custom layouts are the only type that users can create in the backend block section, they will have to be rendered manually in your templates.

Layout type	Associated with	Can have blocks	Can have displays and view modes
Default		Yes	No
Category	Category group	Yes	Yes
Entry	Entry type	Yes	Yes
Global	Global set	No	Yes
Tag	Tag group	No	Yes
User	User	No	Yes
Volume	Volume	No	Yes
Custom		Yes	No

If you're using Commerce you'll have access to two more :

Layout type	Associated with	Can have blocks	Can have displays and view modes
Product	Product	Yes	Yes
Variant	Variant	No	Yes