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symbol in state diagram comparison table

Subject	draw as	look like
action symbol	event/action If the action is to be performed during a transition
activity symbol	a box within the state, containing the word 'do:' followed by a description of what is to be done
end state symbol	a black circle with a ring around it	a target
start state symbol	a black circle
state symbol	a rounded rectangle that contains the name of the state
transition symbol	an arrow connecting two states, with a label representing the event that causes the change of state

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