handle [handles](computing: reference to an object or structure) noun [UK: ˈhæn.dl̩] [US: ˈhæn.dl̩]
identifier [identifiers](formal name used in source code to refer to a variable, function, procedure, package, etc.) noun [UK: aɪ.ˈden.tɪ.faɪə(r)] [US: aɪ.ˈden.tə.ˌfaɪər]