General terms:
* Nonverbal communication: This is the broadest term, encompassing all forms of communication that don't involve spoken or written words. This includes body language, facial expressions, gestures, posture, and even proxemics (the use of space).
* Action language: This emphasizes the use of actions to express oneself, rather than words.
* Behavioral communication: This highlights the fact that actions are a form of communication, conveying meaning and intentions.
More specific terms:
* Body language: Refers specifically to the use of physical movements, postures, and gestures to communicate.
* Expression: This is a broader term that can refer to any form of communication, verbal or nonverbal, that reveals one's feelings, thoughts, or intentions.
* Performance: This term is often used when someone is using actions to create a specific effect or communicate a message through art, dance, or theater.
* Demonstrating: This implies showing or proving something through action rather than words.
The best term to use depends on the specific context and what you want to emphasize.