What does the symbol on a power button mean? How did it come about?
Nearly everyone has seen the universal symbol for power — turning on and off — but not everyone knows why that symbol was ...
Business Insider India5y
'What does the half-moon icon mean on an iPhone?': How to turn off Do Not Disturb mode, or unmute a specific conversation in Messages
This icon means that your iPhone's Do Not Disturb feature is enabled ... Simply tap the green lever to toggle the feature off. It should be noted that you might also see the half-moon icon ...