Assertion: sight's axis | /r/HasProperty | unobstructed line of sight
Facets:
value: between spectator
type: LOCATION
value: normally
type: DEGREE
value: between an intended observer
type: TRANSITIVE-OBJECT
Source sentences:
text: A sightline (also sight line) or visual axis is a normally unobstructed line of sight between an intended observer (or spectator) and a subject of interest, such as a stage, arena, or monument.