the Congo

the Afrikaans language

a konghou, a kind of ancient Chinese harp

Basque language

the metal gold (Au) / the colour gold / money, more specifically, the large 大判 (ōban) gold coins formerly used in Japan.

an alloy (metal combined of two or more elements)

yellow light of traffic lights, yellow signal, amber light, amber signal

a green traffic light, a green light (abbr. 青), green signal

red light of traffic lights, red signal

cryptography