In semiotics, a sign is something that can be interpreted as having a meaning, which is something other than itself, and which is therefore able to communicate information to the one interpreting or decoding the sign. Signs can work through any of the senses, visual, auditory, tactile, olfactory or taste, and their meaning can be intentional such as a word uttered with a specific meaning, or unintentional such as a symptom being a sign of a particular medical condition.

The above text is a snippet from Wikipedia: Sign (semiotics)
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  1. A visible indication.
  2. A clearly visible object, generally flat, bearing a short message in words or pictures.
  3. A traffic sign.
  4. A meaningful gesture.
  5. Any of several specialized non-alphabetic symbols.
  6. An astrological sign.
  7. Positive or negative polarity.
  8. A specific gesture or motion used to communicate by those with speaking or hearing difficulties; now specifically, a linguistic unit in sign language equivalent to word in spoken languages.
  9. sign language in general
  10. An omen.
  11. A property of the body that indicates a disease and, unlike a symptom, is unlikely to be noticed by the patient.
  12. A military emblem carried on a banner or standard.


  1. To make a mark
    1. To seal (a document etc.) with an identifying seal or symbol.
      The Queen signed her letter with the regal signet.
    2. To mark, to put or leave a mark on.
      1. To validate or ratify (a document) by writing one's signature on it.
      2. More generally, to write one's signature on (something) as a means of identification etc.
I forgot to sign that letter to my aunt.
  1. To write (one's name) as a signature.
    Just sign your name at the bottom there.
    I received a letter from some woman who signs herself ‘Mrs Trellis’.
  2. To write one's signature.
    Please sign on the dotted line.
  3. To finalise a contractual agreement to work for a given sports team, record label etc.
    1. To engage (a sports player, musician etc.) in a contract.
It was a great month. I managed to sign three major players.
  1. To make the sign of the cross
    1. To bless (someone or something) with the sign of the cross; to mark with the sign of the cross.
      1. To cross oneself.
  1. To indicate
  1. To communicate using a gesture or signal.
    1. To communicate using gestures to (someone).
He signed me that I should follow him through the doorway.
  1. To use sign language.
  2. To furnish (a road etc.) with signs.

The above text is a snippet from Wiktionary: sign
and as such is available under the Creative Commons Attribution/Share-Alike License.

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