* It has its own grammar: Sign languages have their own set of grammatical rules, which are different from spoken languages. These rules govern word order, sentence structure, and other aspects of language.
* It can express complex ideas: Just like any other language, sign language can be used to express complex thoughts, ideas, and emotions. It can be used for storytelling, poetry, and even academic discourse.
* It's not just a visual representation of spoken language: Sign language has its own unique structure and vocabulary, and is not simply a translation of spoken language into visual gestures.
* It's diverse: There are many different sign languages around the world, each with its own unique features and variations.
While sign language is a visual language, it is important to remember that it is a fully developed and complex communication system with its own grammar, structure, and cultural nuances.