1. Written Signature: This is the most common meaning. It refers to a person's unique handwritten mark or inscription, typically used to authenticate documents or provide proof of identity. It's often a stylized version of their name, but can also be a symbol or other design.
2. Electronic Signature: This is a digital equivalent of a handwritten signature. It's a method of authenticating an electronic document or transaction using a unique code, password, or other security measures.
3. Distinctive Characteristic: "Signature" can also refer to a distinctive feature or quality that is characteristic of a person, place, or thing. For example, "Her signature dish is her grandmother's apple pie," or "The band's signature sound is their use of heavy bass and distorted guitars."
4. Signature Move: In sports or entertainment, a "signature move" is a specific action or skill that a performer is known for. For example, Michael Jordan's "free throw line dunk" or a dancer's specific pirouette.
5. Signature Product: This refers to a product that is particularly popular or well-known for a particular brand or company. Think of "signature" as a synonym for "flagship" or "best-selling."
In short, the meaning of "signature" depends on the context. Consider the surrounding information to determine the intended meaning.