Itwashardtochoose, like a basicdefinitionofthisforbecause I thinkdependingontheperson, thereare a coupledifferentmeaningsthatyoumightthinkisthebasicdefinition.
Forthis, forthe 1st 1 istoperformas a charactertoperformas a character.
SomeexamplesHeactedin a musicallastsummer.
I lovetoactokay, sointhefirstexample, sentenceheactedin a musicallastsummermeansheperformedas a characterin a musicallastsummer, sotoactmeansliketoperforminsomewayin a production.
So a musicalor a theatreproductionbythewaymusicalsaretheperformanceswithsinginganddancing.