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Glossary of Terms

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G

Galvanized steel: Refers to steel that has been coated with a thin layer of zinc to protect against corrosion.
Gamut: The range of colours that an image contains or an output device can reproduce.  Examples of output devices are computer monitors and printers which each have their own specific gamut.
Gateway sign: A sign marking the entrance to a town, neighborhood, development, park or other public area. (Also called precinct sign.)
Gauge: A unit of measurement for the thickness of sheet metal or wires. The lower the gauge number the thicker the material.
Gilding: The process of applying a thin layer of gold or gold-like material to a surface by mechanical or chemical means for the purpose of ornamentation.
Glare: Any direct or reflected light within your field of vision that is sufficiently bright enough to cause visual annoyance, discomfort or obscuration.
Gloss: An indicator of the amount of light reflected by the finish of a surface. A high gloss finish reflects 80-90% of the light directed at it. Semi gloss 50-75%. Satin 30-45%. Matte finish 5-15%.
Glossimeter: A device used to measure the amount of light reflected off a given surface. (See also gloss.)
Gold leaf: A very thin type of foil made of gold and used in gilding.
Gradation: The smooth transition from one colour to another colour, from black to white, or from colour to the absence of colour. (Also called gradient.)
Grade: The elevation or contour of the ground at a particular location. (See also height above grade.)
Gradient: The smooth transition from one colour to another colour, from black to white, or from colour to the absence of colour. (Also called gradation.)
Grommet: A small metal or plastic ring that is inserted into a hole made in another piece of material. Commonly used on banners it prevents fraying of the material around the hole and provides a durable, easily threaded opening for rope or twine (Also called an eyelet.)
Ground sign: A sign that is affixed to the ground by a self supporting structure that includes a permanent foundation.
Guardian letter: A metal letter having a curved face of highly-polished stainless steel.
Guy rope: A rope or cable used to secure and stabilize mounted signs, or awning and canopy signs. It is attached to the sign on one end and the ground, a building or other structure at the other end.