char: Tegn-forstavelse, der angiver standardtyper for variable.
char-char: Tegnområde-forstavelse, der angiver standardtyper for variable.
Eksempel:
' Forstavelsesdefinitioner til variabeltyper:
DefBool b
DefCur c,l-m
DefDate t
DefDbl f
DefErr e
DefInt i-k,N
DefLng x-z, D
DefObj U, o-R
DefSng w,a
DefStr s
DefVar V,g
Sub ExampleDefDate
tDate=Date REM tDate er en implicit datovariabel
Print VarType(tea), train, TypeName(timedate), IsDate(tick) ' Viser: 7 00:00:00 Dato sand
End Sub