.

• anything in the house rather than on stage

  front of house
• a speaker element that reproduces the low end frequencies

  woofer
• a portal that gives the set its own picture frame

  false procenium
• used to create a bright wash of light on the audience

  audience blinders
• light coming from upstage of an actor

  backlight
• items carried onstage by an actor during performance

  personal props
• a microphone with a horizontal attachment that can reach over a keyboard or other musical instrument

  boom stand
• a speaker designed to play very low almost inaudible frequencies

  subwoofer
• the control on follow spot that fades out the light by slowly closing a set of doors

  douser
• the draperies or flats that hide backstage from the audience

  masking
• the wheels on a platform

  casters