visual reference

• imageVisual or mental likeness
• pictureVisual depiction of something
• photographImage from a camera
• illustrationPicture explaining something
• diagramSimplified explanatory sketch

sketch · mockup · moodboard · screenshot · example · guide · blueprint · chart · sample · inspiration · source · model · template · rendering · visual aid · prototype · comparison · artwork

• GPSsatellite, GPS navigation, GPS tracking, latitude, GPS receivers
• airspacerestricted airspace, military airspace, no-fly zone, no-fly zones, prohibited area