Up to now you have been at the typing and browse levels. These levels were set by the stack author. You may have noticed that you can navigate around by clicking on buttons and you could type in fields for the questionnaire.
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On the following pages are buttons that will set the userLevel. Please experiment with clicking on the buttons. Look at the menus --- pull down the menus and see what you can and cannot do at the various userLevels. The first userLevel is browse. That is the level at which you have been going through this stack.