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a symbol or letters used in math, music, or other subjects to show an instruction, idea, etc.
(medicine) any objective evidence of the presence of a disorder or disease
a perceptible indication of something not immediately apparent (as a visible clue that something has happened)
a text or symbol that is displayed in public to give instructions, warnings, or information
any nonverbal action or gesture that encodes a message
structure displaying a board on which advertisements can be posted
(astrology) one of the twelve signs each with specific names such as Aries, Taurus, etc. that exists on a circular chart called the zodiac, used to identify a person based on their date of birth
a gesture that is part of a sign language
an event that is experienced as indicating important things to come
having an indicated pole (as the distinction between positive and negative electric charges)
a unit or entity that carries meaning and represents a concept, idea, or object, often through a system of arbitrary associations between the signifier and the signified
What is a "sign"?
A sign is a basic unit that conveys meaning and represents a concept, idea, or object. It consists of two main parts: the signifier, which is the form that the sign takes, such as a word, image, or sound, and the signified, which is the concept or idea that the sign represents. The relationship between the signifier and the signified is often arbitrary, meaning that there is no inherent connection between the two; instead, it is based on social or cultural agreements. For example, the word "tree" is a sign where "tree" is the signifier and the actual concept of a tree is the signified. Understanding signs is essential for interpreting language and communication, as they allow people to share and convey complex ideas effectively.
(mathematics) the property of being positive or negative in any number other than zero
to write one's name or mark on a document to indicate acceptance, approval, or endorsement of its contents
to agree to the terms of a contract by putting one's signature to it
to formally secure the services of an individual by entering into a contractual agreement with them
to use sign language for communication
to use hand movements, facial expressions, or body language to communicate messages
to make the sign of the cross as a symbol of blessing or protection
to use markers or signposts to show the way or provide information about a location
used of the language of the deaf
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