Related Clues:

• Triggers
• Christmas decorations
• Embarks
• Aurora borealis, e.g.
• LIGHTS
• Sources of illumination
• Part of an auto safety inspection
• Luminaries
• Photographer's equipment
• Illumines
• ''City __'' ('31 Chaplin film)
• Start of a director's directive
• Sparks
• Northern _____
• Makes prominent by contrast