Question What does this symbol mean?

[MrLoopBoop]

Hi, I have a Thermaltake S100 and it has these two symbols at the top of it and I have no idea what they mean. Can someone help me?

https://imgur.com/a/Kw9ydgg

View: https://imgur.com/a/Kw9ydgg

 

[clutchc]

Power light and drive activity light.