Which elements are used in the UML state diagram?

state, which is the technical situation of an object or a system; start and end states, which mark the start and end point in the diagram; state transition, which determines the order of the states and means transfer between different states; split of transition flow; and join of different transitions

state, which is the technical situation or an activity to start the transition; start and end states, which mark the start and end point in the diagram; state transition, which determines the order of the states; split of transition flow; and join of different transitions

state, which is the technical situation of an object or a system; start and end states, wrfich mark the start and end point in the diagram; state transition, which is the transfer from one state to another state in activity diagrams; split of transition flow based on OR and AND logical decisions; and join of different transitions based on OR decision

state, which is the technical situation or an activity to start the transition; start and end states, which mark the start and end point$($s$)$ in the diagram; state transition, which is the transfer from one state to another state; split of transition flow by decision; and join of different transitions