Alexa Echo Status Indicators

What do the indicator lights on an Echo device mean?

BluePulsating processing request
BlueSpinningstarting up
RedSoliddevice microphone muted or device errors
Purple Pulsating Do not disturb active or WIFI setup error
OrangeSpinningsetup mode
Green Pulsating receiving call or dropin. Respond with Answer or Ignore
Green Spinning active call or drop in. To terminate say, Alexa, hang up
WhiteSpinningAlexa Guard active or volume adjustment in progress
YellowPulsatingAlexa message/event waiting to be read or responded to. To identify reason ask Alexa, read message
Echo Dot