From your Pre-Plan page, this page can be accessed by clicking the What occasional activities are you involved in? button.
On this page you can record the activities you do occasionally. For each activity, enter the Activity, Month(s) you do the activity, What you do and how often you do it? and, What help I have or need for this activity? then Save. You can scroll down to see the activities you already have entered and edit/delete your regular activities by hitting the Edit button next to the activity you wish to to modify.