noun
A written symbol or mark used to represent something, often in a specialized context such as business or inventory.
商品の値段は符丁で書かれている。
The price of the product is written in symbols.
noun
secret price mark; coded price tag
A coded mark used by retailers to indicate the cost or wholesale price of an item, not meant for customers to understand.
この店では符丁を使って原価を管理している。
This store uses secret price marks to manage cost prices.
noun
secret language; code; cipher; argot; password
A system of words or phrases used by a particular group to communicate secretly; can refer to jargon, slang, or a prearranged password.
スパイは符丁を使って連絡を取り合った。
The spies communicated using a secret code.
符丁が通じなければ中
You can't get in unless you know the password.
暗号 is a general term for code or cipher, often used in cryptography; 符丁 implies a more informal or commercial secret code, such as shop marks or insider jargon.
隠語 refers to secret words or jargon used by a specific group (e.g., criminals, professionals); 符丁 can overlap but also includes written symbols and price marks.
The exact derivation is uncertain; the kanji 符 (sign, mark) and 丁 (counter, leaf) suggest a written tally or mark, possibly originating from merchant codes.