States are situational parameters that affect the way the system responds to events. In particular, it affects the mapping from intention to action.
The state variables are those system and interface variables that affect the way the system responds to a user action. Examples of state variables are system and interface modes, setup data etc.
States are used to form a representation of the system situation. The situation is defined by the active states .
A state machine associated with a simple reactive system ...
14 Jul 2016.