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In geometry, a polygon (/ˈ p ɒ l ɪ ɡ ɒ n / ) is a plane figure made up of line segments connected to form a closed polygonal chain.Some polygons of different kinds: open (excluding its boundary), b…

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In Germany, a regiopolis is a city outside the core of a metropolitan area, that serves as an independent driving force for development within a larger region. The concept is used to develop midsiz…

Kentucky (US: /k ə n ˈ t ʌ k i / , UK: /k ɛ n -/ ), officially the Commonwealth of Kentucky, is a landlocked state in the Southeastern region of the United States. It borders Illinois, Indiana, and…

A vehicle (from Latin vehiculum) is a machine designed for self-propulsion, usually to transport people, cargo, or both. The term "vehicle" typically refers to land vehicles such as human-powered v…

A privateer is a private person or vessel which engages in commerce raiding under a commission of war. Since robbery under arms was a common aspect of seaborne trade, until the early 19th century a…

Frankfurt am Main (lit. ' Frank ford on the Main ' ) is the most populous city in the German state of Hesse. Its 773,068 inhabitants as of 2022 make it the fifth-most populous city in Germany. Loca…

A metropole (from Ancient Greek μητρόπολις (mētrópolis ) ' mother city ' ) is the homeland, central territory or the state exercising power over a colonial empire. From the 19th century, the Englis…

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Diagnosis (pl.: diagnoses) is the identification of the nature and cause of a certain phenomenon. Diagnosis is used in a lot of different disciplines, with variations in the use of logic, analytics…