Answer:
My first half means container. Not a lot of people understand my language.
Who keeps the ocean clean?
What is it called when a cat wins a dog show?
You throw me away, I find my way back. Traditionally, I'm wooden with an arch in my back. What am I?
What can be heard in court or used to carry briefs?
No matter how little or how much you use me, you change me every month.