Play is defined as unstructured physical activity, primarily motivated by enjoyment and fun. It contrasts with games and sports, which typically incorporate rules and competitive objectives.
- Option (a): Games are characterized by structured activities with defined objectives.
- Option (b): Sports are distinguished by their emphasis on competition and skill development.
- Option (d): Athletics encompasses organized and competitive physical pursuits.
Therefore, option (c), "Play," centers solely on the pursuit of enjoyment.