How are traffic circles different from roundabouts?

• Roundabouts contain parking spaces, while traffic circles don’t.
• Roundabouts allow large commercial vehicles, while traffic circles don’t.
• The centre island of roundabouts is smaller than the centre island of traffic circles.
  Explanation:

  "The main difference between traffic circles and roundabouts is that roundabouts generally have smaller centre islands compared to traffic circles. Additionally, roundabouts are designed to improve traffic flow and reduce speed, while traffic circles may be larger and may require more complex control mechanisms like traffic signals."
• Roundabouts are controlled by traffic signs and signals, while traffic circles aren’t.