line of sight
normally unobstructed line between an observer and an object of interest, such as a stage, arena, or monument
en-GB/ˈlaɪn əv ˈsaɪt/
en-US/ˈlaɪn ʌv ˈsaɪt/
normally unobstructed line between an observer and an object of interest, such as a stage, arena, or monument