What is meaning of this summary A little noiseless noise among the leaves born of the very sigh that silence heaves?

Answer 1

It is setting the scene that is felt or imagined in a wooded area with leaves on the ground and still some on the trees. All is very quiet but you can still feel the movement because of a little bit of wind in them.

Answer 2

This summary suggests that even quiet sounds (like rustling leaves) can be created by the silence itself, implying that there is a hidden energy or force that influences all aspects of nature, including stillness. The phrase captures the idea that even in tranquility or silence, there is a subtle presence or movement.