* Spoken language: This is the most common and intuitive form of language, involving vocal sounds and their meaning.
* Written language: This involves the use of symbols (letters, characters) to represent language, and its study includes aspects like orthography, grammar, and literacy.
* Sign language: This is a visual form of language using gestures, facial expressions, and body language. It has its own complex grammar and structure.
* Body language: This form of nonverbal communication can convey emotions, attitudes, and meaning through physical gestures, posture, and facial expressions.
* Computer language: This includes programming languages, markup languages, and other forms of communication used to interact with computers.
Therefore, linguistics is a broad field that examines all aspects of language, regardless of its form or modality.