concept
semantic unit understood in different ways, e.g. as mental representation, ability or abstract object (philosophy)
social license
the acceptance granted to a company or organisation by the community
Dark Age
historical concept, the period 1648–1740 in the Lands of the Bohemian Crown
time affluence
the sense that one has ample time available
affective polarization
concept in political science
Basque Cultural Heritage
heritage designation in the Basque Country
airspace
portion of the atmosphere