What do the lights on the Philips Hue Bridge mean?

The Philips Hue Bridge has 4 glowing blue lights on top, with some symbols that allude to their functions - but what do they actually mean?

Hue Bridge - Smart Control for your Lights

My Philips hue gradient light strips isn't connecting to the hue bridge? : r/Hue

Philips Hue Review: the Wall Switch module makes your existing light switches smart - 9to5Mac

Hue Bridge - Smart Control for your Lights

Compact design, full light experience. Create a vibrant ambiance with the Hue Play light bar and Hue Bridge bundle. Choose from 16 million colors to

Philips Hue Play White & Color Ambiance Smart LED Bar Light (2-Pack) + Hue Bridge Bundle

New hue bridge won't connect to internet (third light not lighting up) : r/ Hue

Successfully paired Kudled Color Bulb (Chinese Hue A19 Bulb Copy Cat, $23) with Philips Hue Bridge - Devices & Integrations - SmartThings Community

Philips Hue Bridge Lighting Controller Hub 3241312018A 46677458478

Community question of the week: Second bridge with a single account?

Combo Offer] Hue Gradient Lightstrip Base 2m + 1m + Hue Bridge - Philips Lighting HK

What do the lights on the Philips Hue Bridge mean?

Hue Bridge - Smart Control for your Lights

Hue Bridge - Smart Control for your Lights

The Philips hue Bridge V2 is an Ethernet controlled - CSA-IOT