2. Punctuation mark. Introduces a sentence with the role of apposition with respect to the previous one ¹
3. Punctuation mark. Introduces the logical consequence, or effect, of a fact stated before ¹
4. Punctuation mark. Separation of clauses in a periodic sentence ¹
¹ Source: wiktionary.com
Lexicographical Neighbors of Unsupported Titles/Colon
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