In this illustration, we see family members engaging in their favorite activities:

1. **Jim** is shown skating at the park, which indicates he enjoys skating and spending time outdoors.
2. **Jack** is sailing, suggesting that he loves water sports and adventure.
3. **Sally** and **Paul** are swimming, indicating their enjoyment of swimming together, likely at a pool or beach.

These activities highlight how each family member has unique interests that involve physical activities and outdoor fun!