The motto means that you should reduce the trash that is causing pollution. Also, that you should follow the idea of conservation and conserve any renewable resources by recycling them.
I have this app called Wattpad. Technically just an app where you can read and create stories, as well as talk to people and much more. People also roleplay on it and it's a cool app.
Yes you would like to buy this car named da baby car
Annotations are simply notes or comments. If you have trouble understanding Shakespeare, you may want to buy a copy of "Hamlet" with annotations on each page that explain all the vocabulary words and major themes.