What are the three types of language?

It's tricky to define only three types of language, as language is incredibly complex and diverse. However, we can look at language in terms of three major categories:

1. Natural Language: This is the language we use in everyday life, spoken and written, like English, Spanish, Mandarin, etc. It's characterized by its organic development, complex grammar, and nuances that are often difficult to capture in formal systems.

2. Formal Language: This refers to languages designed for specific purposes and often governed by strict rules. Examples include:

* Programming languages: C++, Python, Java, used to create software.

* Mathematical notation: Symbols and equations used to express mathematical concepts.

* Chemical formulas: Used to represent chemical compounds and reactions.

* Logic languages: Used to formalize logical arguments and reasoning.

3. Artificial Language: This category encompasses languages created by humans but not naturally evolved like natural languages. These include:

* Constructed languages: Languages designed for specific purposes, like Esperanto, intended to be universally understood.

* Sign languages: Visual languages using gestures, facial expressions, and body language, like American Sign Language.

* Computer languages: A broad category encompassing all languages used to communicate with computers, including programming languages, markup languages (HTML, XML), etc.

It's important to remember that these categories are not mutually exclusive. Some languages can overlap, and there are many other ways to categorize languages based on their function, structure, or history.