core + health-lifesci (Health and Lifesciences Extension): terms relating to healthcare, medicine and the life sciences.

about

Canonical URL: http://schema.org/about

Thing > Property > about

The subject matter of the content.

Usage: Between 10,000 and 50,000 domains
Values expected to be one of these types
Thing
Used on these types
CommunicateAction
CreativeWork
Event
Sub-properties
mainEntity


Examples

Schema Version 3.3