Selectable Base Class

The Selectable Class is the base class for all the interaction components and it handles the items that are in common.

Property:	Function:
Interactable	This determines if this component will accept input. When it is set to false interaction is disabled and the transition state will be set to the disabled state.
Transition	Within a selectable component there are several Transition Options depending on what state the selectable is currently in. The different states are: normal, highlighted, pressed and disabled.
Navigation	There are also a number of Navigation Options to control how keyboard navigation of the controls is implemented.