GLOSSARY
Many modifiers display in viewports as a wireframe, called a gizmo, that initially surrounds the selected object. A gizmo acts like a kind of mechanical apparatus that transfers the modification to the object it’s attached to.
You can move, scale, and rotate a gizmo as you would any object, altering the effect of the modifier on the object.
A modifier has its own center, marked with a 3D pivot point like other objects in 3DS MAX. You can move a modifier’s center, altering the effect of the on the object.