Answer:
My first half means container. Not a lot of people understand my language.
I am always in front of you but you will never see me
When I point up itβs bright. When I point down itβs dark.
I only exist when you are here. Where you never were I can never be.
I am a kind of coat that can only be put on when wet.
Runs over fields and woods all day. Under the bed at night sits not alone, With long tongue hanging out, Resting at your feet until we go for a walk