Final answer:
The three elements that all communication methods have in common are sender, receiver, and channel.
Step-by-step explanation:
The three elements that all communication methods have in common are:
- Sender: The person or entity that initiates the communication and sends the message.
- Receiver: The person or entity that receives the communication and interprets the message.
- Channel: The medium through which the communication takes place, such as face-to-face conversation, phone call, email, or written letter.