©Net Objectives, 2002
NetObjectives
16
Text (written) Form
nSequence of steps that progress the action
nAction Verbs, Short, punchy sentences
n
nLogin To ATM
nScope: ATM Machine
nGoal Level: Sub-Function
nActor: ATM Customer
n After swiping the ATM Card, the user is asked for a password. The system verifies that the card is legitimate and that the password corresponds to the card. The user is then given access to all the other ATM commands. The user is given three chances to enter a correct password; after the third time the ATM Card is kept by the machine.
n
n
Casual Use Case. Steps aren’t numbered, the story is told in a simple paragraph. One step up in formality from the Concrete (Usage) Scenario we saw before.