Assertion: beacon | /r/HasProperty | combined with semaphoric
Facets:
value: to provide important information
type: PURPOSE
Source sentences:
text: Beacons can also be combined with semaphoric or other indicators to provide important information, such as the status of an airport, by the colour and rotational pattern of its airport beacon, or of pending weather as indicated on a weather beacon mounted at the top of a tall building or similar site.