Distance multiplier and angle offset override properties allow you to specify a factor by which a parameter value is increased or decreased.
Action overrides are properties of actions that have no effect on the block reference until it is manipulated in a drawing. Use distance multiplier overrides with the following actions:
You can specify these action override properties by following the Command prompts when you add an action to a dynamic block definition. You can also specify these properties in the Properties palette when you select an action in the Block Editor.