/saɪn/ – Noun
Definition: 1. dấu hiệu, ký hiêu, đánh dấu;
2. đặc điểm;
3. tín hiệu;
4. bảng yêt thị, bảng chỉ dẫn;
5. chữ ký, ký tên.
A more thorough explanation: In legal terms, a “sign” refers to a physical object, symbol, or display that conveys information or instructions to the public. Signs are commonly used for various purposes such as providing directions, warnings, or advertising.
Example: The parties agreed to sign the contract in the presence of a notary public.