Auto number questions - Enables or disables automated numbers for each question.
Show analysis page - Allows the students to see an analysis page after they've submitted feedback.
Completion message - You can enter a message, maybe a quick thank you, which is displayed after a student submits feedback.
Link to next activity - After submitting the feedback, a continue button is displayed, which links to the coursepage. Alternatively, it may link to the next activity if the URL of the activity is entered here.