A mark (✓) made to indicate agreement, correctness or acknowledgement.
In long jump, javelin and similar events, little mark alongside the runway which helps the athlete to set their steps just right for their performance.
A mark or sign of implication.
Signs on the stave indicating key and tempo, composed of the key signature and the time signature.
A pattern used for matching the identity of a virus, the parameter types of a method, etc.
Text (or images, etc.) appended to a user's emails, newsgroup posts, forum posts, etc. as a way of adding a personal touch or including contact details.
The part of a doctor’s prescription containing directions for the patient.
A person's name, written by that person, used as identification or to signify approval of accompanying material, such as a legal contract.
A dish that is characteristic of a particular chef.
A group of four (or a multiple of four) sheets printed such that, when folded, they become a section of a book.
A tuple specifying the sign of coefficients in any diagonal form of a quadratic form.
Data attached to a message that guarantees that the message originated from its claimed source.
An act of signing one's name; an act of producing a signature.
Distinctive, characteristic, indicative of identity.