1) Communication involves the exchange of information between a sender and receiver. It can occur through verbal and non-verbal means and requires mutual understanding.
2) Key aspects of the communication process include encoding a message, transmitting it through a channel, decoding it, and providing feedback. Non-verbal cues also significantly impact communication.
3) Effective communication principles include being complete, concise, considerate of the receiver, concrete, clear, courteous, and correct. Listening is also an important skill that requires focus and understanding different perspectives.