Use these options to set what happens when you select .
To delete the component from the selected object only, select Selected. To delete the component from the selected object and all objects below it in the DAG hierarchy, select Below.
To delete all expressions attached to all the selected object’s keyable attributes, select All Keyable. To delete expressions attached to those attributes selected in the Channel Box, select From Channel Box.
(Available only if Expressions: All Keyable is turned on.) Turn this option on to delete expressions attached to lattice, polygon, and NURBS curves and surface CVs.
(Available only if Expressions: All Keyable is turned on.) Removes the object's geometry expressions.