The influence of Yiddish on Esperanto, both linguistically and conceptually, is clear when you place Zamenhof in his political and social context in history.

Perception is based, to a very large extent, on conceptual models - which are always inadequate, often incomplete and sometimes profoundly wrong.

The Econ exam was pretty easy, mostly conceptual stuff, supply and demand, and all that.

It is a conceptual error to say that bees form colonies. The most appropriate term is “society” because these animals do not maintain physical bonds with each other.

The best way to conceptualize looting is as similar to pollution, a byproduct of the economics of the antiquities trade.