Which of the following best defines communication?

The best definition of communication is interaction between two or more people. This encompasses the broad understanding that communication is not limited to specific formats or tools but includes any exchange of information—whether verbal, non-verbal, written, or visual—among individuals.

While conversation between friends focuses on a particular context of communication, it doesn't capture the full range of interactions that can occur in various settings, such as professional or formal situations. Similarly, the use of technology to talk emphasizes a medium but doesn't reflect the essential element of interaction that defines communication itself. Lastly, expressing thoughts through writing represents one mode of communication but again lacks the crucial aspect of interaction that involves at least two participants engaging with each other.

In essence, the core of communication lies in the interaction between individuals, making it the most comprehensive and accurate choice.