language

Communication of thoughts and feelings through a system of arbitrary signals, such as voice sounds, gestures, or written symbols.

Such a system including its rules for combining its components, such as words.

Such a system as used by a nation, people, or other distinct community; often contrasted with dialect.

A system of signs, symbols, gestures, or rules used in communicating.

A system of symbols and rules used for communication with or between computers.

Body language; kinesics.

The special vocabulary and usages of a scientific, professional, or other group.

A characteristic style of speech or writing.