Originally Posted by Aluzky

Body language is defined as non-verbal communication (Nonverbal communication describes the process of conveying meaning in the form of non-word messages. Research shows that the majority of our communication is non verbal, also known as body language. - wikipedia)

Body language is processed by the eyes.

Verbal language AKA Oral communication (Oral communication, while primarily referring to spoken verbal communication, can also employ visual aids and non-verbal elements to support the conveyance of meaning -wikipedia)

Verbal language is processed by the eyes.

There is also tactile language, AKA braille which is processed by the skin.

So as you can see, there are many kinds of languages that are processed by different parts of the human body and depending of what part process the language, it gets different names, tactile language (skin) verbal language (ears) body language (eyes)

My questions is, is sign language body language?

Because the evidence I have see, support my belief that sign language is body language.

The way I see it is:
1-Body language is non-verbal communication.
2-Sign language is non-verbal communication.
3-Conclusion: Sing language is body language because it is not verbal nor tactile.

If you think I'm wrong, let me know and present any evidence that proves that sign language is not body language.