These data types are stable and will generate the exact same size on any platform.

Word8 8 bit unsigned integer.
Int8 8 bit signed integer.
Word16 16 bit unsigned integer.
Int16 16 bit signed integer.
Word32 32 bit unsigned integer.
Int32 32 bit signed integer.
Word64 64 bit unsigned integer.
Int64 64 bit signed integer.
Vector_128 128 bit vector intrinsic.
WordPtr Unsigned integer that matches in size to a void *.
IntPtr Signed integer that matches in size to a void *.
Bool Unsigned 8 bit integer for boolean operations.
Frac32 Signed 2.30 32 bit integer for fixed point operations.
Fixed32 Signed 16.16 32 bit integer for fixed point operations.
Word Unsigned integer.
Int Signed integer.