Physical objects used to communicate include a wide variety of tools and media that facilitate the transmission of messages. Examples include:

• Traditional communication devices such as telephones, telegraphs, and radios.
• Media devices like television, computers, film, and newspapers.
• Written materials such as printed books, newspapers, and sheet music.
• Physical signaling tools like signal flags, bells, whistles, and drums.
• Data transmission media including copper wires, coaxial cables, and optical fibers used in networking and telecommunications.
• Objects of reference used in non-verbal communication, such as clay tablets with alphabets, pencils, chalk, or model hands.
• Physical media for storing or transmitting information like records, cassettes, VHS tapes, CDs, DVDs, and Blu-ray discs.

These objects serve as tangible means to convey information, messages, or signals across distances and among people, ranging from ancient methods like drumbeats and gestures to modern electronic and digital communication tools