RDF schema in natural language
- 'The songlines' has an author 'Chatwin'
- 'Chatwin' is a thing of type 'Person' ("rdfs:Class")
- 'The Songlines' is a thing of type 'Document' ("rdfs:Class")
- The 'author' of something is always a 'Person' ("rdfs:domain")
- Things with an 'author' are always 'Documents' ("rdfs:range")