- Nicolas Ferrand (viag) has been an active concept designer in the gaming industry since 1999.Born in France, he now lives in Montreal canada.
- Entropy is one of the important concepts in calorifics and an especially active concept presented in recent years.
- The office has been humming with activity.
- The threat of war has depressed business activity.
- There has been a lot of activity in the town today.
- The town was humming with activity.