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Semiotics is the theory of symbols and falls in three parts; logical syntax, the theory of the mutual relations of symbols, logical semantics, the theory of the relations between the symbol and what the symbol stands for, and; logical pragmatics, the relations between symbols, their meanings and the users of the symbols." [29]
Typographical symbols and punctuation marks are marks and symbols used in typography with a variety of purposes such as to help with legibility and accessibility, or to identify special cases. This list gives those most commonly encountered with Latin script. For a far more comprehensive list of symbols and signs, see List of Unicode characters.
According to Ferdinand de Saussure (1857–1913), a sign is composed of the signifier [2] (signifiant), and the signified (signifié).These cannot be conceptualized as separate entities but rather as a mapping from significant differences in sound to potential (correct) differential denotation.
Thus, a symbol denotes by virtue of its interpretant. Its sign-action (semiosis) is ruled by habit, a more or less systematic set of associations that ensures its interpretation. For Peirce, every symbol is general, and that which we call an actual individual symbol (e.g., on the page) is called by Peirce a replica or instance of the symbol. [45]
Denotation refers to the meaning hidden in symbols or images. A denotation is "what we see" in the picture or what is "there" in the picture. [2] According to author Clive Scott, this is another way of saying that a photograph has both a signified and a referent, is both coded and encoded.
In semiotics, signified and signifier (French: signifié and signifiant) are the two main components of a sign, where signified is what the sign represents or refers to, known as the "plane of content", and signifier which is the "plane of expression" or the observable aspects of the sign itself.
The denotative meaning of a signifier is intended to communicate the objective semantic content of the represented thing. So, in the case of a lexical word, say "book", the intention is to do no more than describe the physical object.
The following table lists many common symbols, together with their name, how they should be read out loud, and the related field of mathematics. Additionally, the subsequent columns contains an informal explanation, a short example, the Unicode location, the name for use in HTML documents, [1] and the LaTeX symbol.