None
No type assigned to Variable
Bool
Boolean value
Int
Integer value
Float
Floating point value (Decimal)
Vector2
Representation of 2D vectors and points
Vector3
Representation of 3D vectors and points
Quaternion
Represents rotations. They are compact, don't suffer from gimbal lock and can easily be interpolated. Unity internally uses Quaternions to represent all rotations.
String
String value