Answer:
Digital white-out.
My first half means container. Not a lot of people understand my language. What am I?
What force and strength cannot get through, I with my unique teeth can do. What am I?
Against the sun I protect your eyes and am often worn on the face of spies
You went into the woods and got me. You sat down to seek me. You brought me home with yourself because you couldn't find me. What am I?
A little house full of meat, no door to go in and eat.