1. A system for assisting a user in navigating through a performance of a task, the task including a plurality of sub-tasks, the system comprising: a sub-task performance component to control the serial presentation of two or more of the sub-tasks on a graphical user interface, each of the two or more sub-tasks displayed in a respective panel of the graphical user interface, and to enable the user, for each of the two or more sub-tasks, to perform the sub-task by entering information into the respective panel of the sub-task as the sub-task is presented; and a sub-task list component to control the display of a sub-task list of items to the user on a graphical user interface while the two or more sub-tasks are being presented, each item representing a respective one of the plurality of sub-tasks and including a sub-task identifier identifying the respective one of the sub-tasks, including displaying, within at least one of the items, information corresponding to the sub-task represented by the at least one item.