[[File:Gliss script purposes.jpg|thumb|Purposes and corners]]
[[File:Gliss script purposes.jpg|thumb|Purposes and corners]]
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Most symbols in Gliss script are glisses - symbols or pairs of symbols that represent meaning. When in pairs pairs, one symbol indicates "intent" and another "actor". Simplistically, "intent" and "actor" can be thought of as verb and noun.
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In order for a gliss to have meaning, it must have a "purpose". The four purposes are:
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* '''Sun''' - deals with "actors", which are entities which act or upon which an action is being made
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* '''Air''' - deals with "concepts" or otherwise things that exist, but are not a physical object
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* '''Ground''' - deals with an actor changing their state
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* '''Home''' - deals with an actor changing their location
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Purposes are defined by a plane, which maps purposes to the four corners. Depending on where the gliss is situated on the plane, it will have a different purpose. The location on the plane is given by a corner sign, that visually places the gliss in a particular corner.
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For instance, two symbols that denote a hand and a person would have different, but related meanings in different corners: