Consider the following points to determine the end goal for your users:
Aim: The aim of what you want your players to achieve at the end. For example, the aim of your gaming experience may be to increase productivity within users. Ultimately, without a clear aim you can begin to ask what the point of the experience is and why you are designing it. If you are unsure about your aim, chances are the player will be as well.
Objectives: The list of objectives includes different actions that the user must perform to achieve the listed outcomes. These can be anything from finding items, rescuing a princess, and so forth. Some objectives may be hidden and only revealed to the player after certain conditions have been met, such as unlockables. For example, an objective in a language application might be to learn grammar rules and punctuation.
Outcomes: The list of outcomes extends from the aim. For example, for increasing productivity, an outcome involves...