A truly effective audio-visual presentation system must be planned, designed, and implemented as a fully integrated set of subsystems. A well-designed system should make any presentation easier and more effective, accommodating a wide variety of presentation types and presenter styles. Proper planning of a presentation system requires consideration of acoustics, lighting, potential audiences, and potential media formats ranging from speech reinforcement to multimedia presentations. A well-designed system should be as transparent as possible allowing the focus to be on the message. more