(idiomatic, proverb) be quick on the uptake, understand the whole situation from just a few clues

(physics) down quark

a quark (an elementary subatomic particle which forms matter)

a person (especially a woman) who is between 35 and 45 years old

(computing) format, file type / format of digital media such as DVDs / the form that something takes, in style, size, pattern, and so on

Cornwall (a town in Prince Edward Island) / Cornwall (a town in Vermont) / Cornwall (a city in Ontario) / Cornwall (a town in Connecticut) / Cornwall (a town in New York)

fork (utensil) / (computing) fork (metadata) / (software) fork (project) / (baseball) Short for フォークボール (fōkubōru).

(attributive) folk

Faulk (a surname or place name)

Falk (a surname or place name)