A young boy in a wheelchair and his mother drive to go shopping, observing the various road signs on the way including the handicapped parking sign which shows them where to park close to the store.
On a trip to the grocery store with her father, Carly notices the various signs that help them, including those that show where to find certain items, what they cost, and which checkout line is open.
Sally explains the signs that she and her mother see while walking their dog in a park, such as those that direct them to a trail and show who can use that trail.