With respect to a composite state, a state contained by it without being contained by an intermediate state; a top-level state within a region of a composite state.
See composite state, indirect substate, region, state.
A composite state contains one or more regions. Each region directly contains one or more states. A top-level state of a region is called a direct substate of the composite state containing the region. The phrase can also be used with respect to a region. If a composite state is active, exactly one direct substate from each region is active.
Direct substates themselves may include composite states. Their substates are called indirect substates of the original composite state. Because some of the direct ...