Take a look at this online dictionary entry. language

Etymology

Middle English language, from Old French language, from Latin lingua ("tongue, speech, language”).

Noun

1. A form of communication using words either spoken or gestured with hands and structured with grammar, often with a writing system.

2. The ability to communicate using words.

3. Nonverbal communication.

4. The vocabulary and usage in a particular field.

5. The words used in speech or a passage of text.

6. Spoken or written words.

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lingua
communication
grammar
system