"punctuation" in the noun sense
1. punctuation
something that makes repeated and regular interruptions or divisions
2. punctuation, punctuation mark
the marks used to clarify meaning by indicating separation of words into sentences and clauses and phrases
3. punctuation
the use of certain marks to clarify meaning of written material by grouping words grammatically into sentences and clauses and phrases
Source: WordNet® (An amazing lexical database of English)
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