Art wiki:
[hree-letter%20acronym">three-letter acronym that can mean:Adaptive resonance theoryAdvanced Rapid Transit metro technologyassisted reproductive technologyAnaheim Resort TransitIATA airport code for Watertown International AirportISO 639 alpha-3 code for otherwise unassigned artificial languagesThe National Rail code for Arrochar and Tarbet railway station, United Kingdom. External links: ; ; . Antiretroviral therapy. It is used in the treatment of HIV infection.
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Triangle wiki:
>For alternative meanings, such as the musical instrument, see triangle (disambiguation). A triangle is one of the basic shapes of geometry: a two-dimensional figure with three vertices and three sides which are straight line segments.
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