What do the colors and pin shapes mean on the map of charging stations in the app?

The following colors and symbols indicate respective charging stations status:

• Circled numbers (blobs): Indicates the total number of charging ports in an area. Colors show status breakdown. Tap a circle to zoom in.
• Green: Charging spot is available.
• Blue: Charging spot is in use.
• Gray: Charging spot is out of service or closed; status unknown.
• One bolt: Slow charging (Level 2).
• Two bolts: Medium charging (Medium DC).
• Three bolts: Fast charging (DC Fast).