U+78BC "碼" CJK Unified Ideograph-# Unicode Character
U+78BC "碼" CJK Unified Ideograph-# is a Chinese character that primarily means "code," "number," or "yard" (a unit of length), and it is widely used in modern East Asian languages such as Chinese, Japanese, and Korean. In Chinese, it appears in common words like "密碼" (password) and "號碼" (number), while in Japanese it can denote a "code" or "token," and in Korean it may refer to a "yardstick" or "standard." The character is composed of the radical for "stone" (石) on the left, suggesting a measurement or weight, and the phonetic component 馬 (ma, meaning "horse") on the right, which provides a clue to its pronunciation in many dialects. Historically, it was used to describe a stone marker or a unit of measurement, evolving over time to encompass various abstract and concrete concepts related to coding, numbering, and standards in technology, communication, and commerce.