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In linguistics, tone refers to variations in vocal pitch that can distinguish words or grammatical meanings in certain languages, known as tone languages. For example, the same sequence of consonants and vowels can have different meanings depending on its pitch. These pitch variations, or tones, are typically applied at the syllable level and can be either level (register-tone) or involve pitch changes (contour-tone).1

Language itself is a system of conventional spoken, manual, or written symbols used by humans for communication, expressing identity, and more. While tone is a feature within some languages, language is a broader concept encompassing all forms of symbolic communication.2

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