The document discusses the audiovisual method of instruction using sound and pictures like charts, diagrams, graphs, and advanced visual aids like video and filmstrips. This method has been used to improve communication skills, interviewing skills, customer service skills, illustrating procedures, remembering information, visualizing concepts, and visual intelligence. The technique involves a filmstrip and tape presentation where the teacher explains through demonstration, listening, questions, and answers while replaying the tape and filmstrip for memorization until students can learn without them.