What are the elements in State Chart Diagram?

 Below are the elements in the State Chart Diagram,

1. Initial State - This state shows the primary movement of the stream.
   
2. State - This state speaks about the state of an object at a specific given point of time.
   
3. Transition - It shows the transition from one state to another state of objects and it is represented by an arrow.
   
4. Event and Action - It is a trigger that causes a transition to occur.
   
5. Signal - When a message or a trigger caused by an event to a state, which causes a transition, this message is called a signal.
   
6. Final State - The state diagram ends with a diagram that depicts a bull’s eye is known as Final State
   

Sample State chart diagram,