The following two logos are for worker unions, u represents “you”,  the American workers and the w represents the workers union which is supporting  “u”, and “u” are having a smiling face because you know worker union is supporting your rights

 

 

 

The following two icons are for a scheduling app, there are a sun and  a moon right next to the sun, in Chinese, the sun is “日” and the moon is “月” and if we put them together, it’s “明”, which has the meaning of clear, and that’s the message this icon is trying to tell its user, use this app will make you clear what you have to do next