What do the different connection symbols for the OBD connection mean?

Here's a brief description of the different connection statuses;

Blue, attempting to establish a connection between the phone and the OBD device.

Red, crossed over, the connection status is unknown.

Green, successfully connected.

Gray, crossed over Bluetooth is turned off and not connected.

Red, Bluetooth is turned on, but the OBD device remains disconnected.

Orange means we could connect, but could not read data.