C47s are clothespins that can clip gels onto light sources. Sticks refer to tripods used to hold cameras rather than fetching. Cookies are lighting devices that create patterns rather than food. A deadcat covers boom mics to block wind noise without harming animals. Magic hour is a brief 20 minute period before sunrise and after sunset with dark but illuminated skies. ADR involves re-recording audio after filming to replace poor quality sound or alter deliveries.