Me understand this line of a poem. “like a flower that grows only in the invisible/ the whole world of its body noiselessly shaking against the dust”

Maybe it means they're lonely and afraid. They find that there is no safe place to express how they feel.

the central idea of the above passage is following;

central idea: cultural study is very important specially archaeology. grimm's stories very well cater to the importance of cultural relevance.

explanation:

im not sure about this one