The New York Stock Exchange started out as a coffee house.
perspicuity, perspicuousness, plainness
(noun) clarity as a consequence of being perspicuous
Source: WordNet® 3.1
perspicuousness (uncountable)
The state or characteristic of being perspicuous; perspicuity.
Source: Wiktionary
15 March 2025
(noun) the replacement of an edge or solid angle (as in cutting a gemstone) by a plane (especially by a plane that is equally inclined to the adjacent faces)
The New York Stock Exchange started out as a coffee house.