set wiki:
ay stand for:Secure electronic transaction, a protocol used for credit card processing,Simulated Emergency Test, an Amateur radio training exercise,Society for the Eradication of TelevisionSouth Eastern Trains, a public-owned rail company operating in South East EnglandStock Exchange of Thailand, a national stock exchange of ThailandSET Index, an index for Stock Exchange of ThailandStudy of Exceptional Talent, a program for profoundly gifted students
See more at Wikipedia.org...
Danube wiki:
>For other uses of "Danube", see Danube (disambiguation). The Danube (Donau in German; Dunaj in Slovak; Duna in Hungarian; Dunav in Croatian and Serbian; ÐÑнав in Bulgarian; DunÄre in Romanian; ÐÑнай (Dunay) in Ukrainian; Danuvius in Latin) is Europe's second-longest river (after the Volga).It rises in the Black Forest in Germany as two smaller rivers â the Brigach and the Breg â which join at Donaueschingen, and it is from here that it is known as the Danube, flowing south-eastwards for a distance of some 2850 km (1771 miles) before emptying into the Black Sea via the Danube Delta in Romania.
See more at Wikipedia.org...