About: http://webisa.webdatacommons.org/65047458

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	After some trial-and-error (or by recalling the tones from the Mechanical Age), you can learn that sound is a cue corresponding to a compass heading.
http://www.w3.org/ns/prov#wasQuotedFrom	gamasutra.com