Conceptual Model Lexicon Back – Back takes the user back to the previous screen. This is useful if the user would like to correct an item on his or her order Next – Next takes the user to the next screen. Log in – The user is asked to enter his or her AU username and password in order to log onto the system and order pizza AU username – The user’s AU username is his or her Auburn University username (I.e. the same one that the user uses for his or her ) Password – The user’s password is his or her University password Submit – This button allows the user to submit his or her user name and password into the system. If this is successful, the system will respond by welcoming the user to Dominos Create Account – This option is for new users, that are new to the system. This way the user can create an account with his or her information

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