ALL meanings of sightline
sight·line
S s - noun sightline any of the lines of sight between the spectators and the stage or playing area in a theater, stadium, etc.: Some of the sightlines are blocked by columns. 1
- noun sightline an uninterrupted line of vision, as in a theatre, etc, or from a vehicle joining a road 0
- noun sightline any of the straight lines of unimpeded vision from various points, as in a theater to the stage 0