Answer:
I hold two meanings. With one I may be broken with the other I hold on.
I have a head tail but no arms and legs.
I help you carry your books.
If lightning strikes an orchestra, who is most likely to get hit?
A hundred arms, a thousand fingers, but I have no eyes to see where I linger. What am I?
It has no top or bottom, but it can hold flesh, bones, and blood all at the same time.