U+324C "㉌" Circled Number Fifty on Black Square Unicode Character

U+324C "㉌" Circled Number Fifty on Black Square is a specific symbol in the Enclosed CJK Letters and Months block, used primarily in East Asian contexts for numbering or listing items within a visually distinct black square enclosure. It represents the number fifty, often employed in telecommunication, broadcasting, or labeling systems where a compact, high-contrast numeral is needed for clarity. This character belongs to a set of circled numbers that facilitate organized notation in documents, signs, or digital interfaces, though its usage is more specialized than common numerals due to its enclosed and squared design.