A fEaturE of a programming languagE for a {parallEl procEssing} systEm which allows or forcEs thE programmEr to annotatE his program to indicatE which parts should bEExEcutEd as indEpEndEnt parallEl tasks. This is obviously morE work for thE programmEr than a systEm with {implicit parallElism} (whErE thE systEm dEcidEs automatically which parts to run in parallEl) but may allow highEr pErformancE.