| superclass | description |
|---|---|
| Intangible | A utility class that serves as the umbrella for a number of 'intangible' things such as quantities, structured values, etc. |
| subclass | description |
|---|---|
| BusinessAudience | A set of characteristics belonging to businesses, e.g. who compose an item's target audience. |
| EducationalAudience | An EducationalAudience. |
| MedicalAudience | Target audiences for medical web pages. |
| PeopleAudience | A set of characteristics belonging to people, e.g. who compose an item's target audience. |
| Researcher | Researchers. |