Sign - Types

Types

A sign can denote any of the following:

• Sign, in astrology: often used to mean the Sun sign
• Sign or signing, in communication: communicating via hand gestures, such as in sign language.
• Gang signal
• Sign, in Tracking (hunting): also known as Spoor (animal); trace evidence left on the ground after passage.
• A signboard.
• A sign, in common use, is an indication that a previously observed event is about to occur again
• Sign, in divination and religion: an omen, an event or occurrence believed to foretell the future
• Sign, in ontology and spirituality: a coincidence; see synchronicity
• Sign (linguistics): a combination of a concept and a sound-image described by Ferdinand de Saussure
• In mathematics, the sign of a number tells whether it is positive or negative. Also, the sign of a permutation tells whether it is the product of an even or odd number of transpositions.
• Signedness, in computing, is the property that a representation of a number has one bit, the sign bit, which denotes whether the number is non-negative or negative. A number is called signed if it contains a sign bit, otherwise unsigned. See also signed number representation
• Sign, in biology: an indication of some living thing's presence
• Medical sign, in medicine: objective evidence of the presence of a disease or disorder, as opposed to a symptom, which is subjective
• Sign (semiotics): the basic unit of meaning
• Information sign: a notice that instructs, advises, informs or warns people
• Traffic sign: a sign that instructs drivers; see also stop sign, speed limit sign, cross walk sign
• Sign, in a writing system: a basic unit. Similar terms which are more specific are character, letter or grapheme
• Commercial signage, including flashing signs, such as on a retail store, factory, or theatre
• Signature, in history: a handwritten depiction observed on a document to show authorship and will