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These symbols show location, convey information, increase aesthetic appeal, and create a gestalt order to the map. A map symbol or cartographic symbol is a graphical device used to visually represent a real-world feature on a map, working in the same fashion as other forms of symbols. Map symbols may include point markers, lines, regions ...
The Google Maps pin is the inverted-drop-shaped icon that marks locations in Google Maps. The pin is protected under a U.S. design patent as "teardrop-shaped marker icon including a shadow". [1] [2] Google has used the pin in various graphics, games, and promotional materials. The pin, sometimes referred to as "the marker", [3] has been widely ...
At sign. The at sign, @, is an accounting and invoice abbreviation meaning "at a rate of" (e.g. 7 widgets @ £ 2 per widget = £14), [ 1] now seen more widely in email addresses and social media platform handles. It is normally read aloud as "at" and is also commonly called the at symbol, commercial at, or address sign .
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.
Position (geometry) Radius vector represents the position of a point with respect to origin O. In Cartesian coordinate system. In geometry, a position or position vector, also known as location vector or radius vector, is a Euclidean vector that represents a point P in space. Its length represents the distance in relation to an arbitrary ...
FAA identifier. The Federal Aviation Administration location identifier (FAA LID) is a three- to five-character alphanumeric code identifying aviation-related facilities inside the United States, though some codes are reserved for, and are managed by other entities. [ 1]: §1–2-1. For nearly all major airports, the assigned identifiers are ...
The use of astronomical symbols for the Sun and Moon dates to antiquity. The forms of the symbols that appear in the original papyrus texts of Greek horoscopes are a circle with one ray () for the Sun and a crescent for the Moon. [ 3] The modern Sun symbol, a circle with a dot (☉), first appeared in Europe in the Renaissance.
The asterisk ( / ˈæstərɪsk / * ), from Late Latin asteriscus, from Ancient Greek ἀστερίσκος, asteriskos, "little star", [ 1][ 2] is a typographical symbol. It is so called because it resembles a conventional image of a heraldic star .