The library shelves hold secrets of untold tales.

Meaning: This sentence is a bit more straightforward than the first two examples. It simply states that the library shelves contain untold stories. This sentence is not a metaphor, as it does not compare the library shelves to anything else.

Choice of Words: Library shelves are the shelves or furniture pieces where books are stored in a library. Hold is a verb that means to have or possess something. Secrets are pieces of information that are not meant to be known by everyone. Untold tales are stories that have not been told or shared with others. When you put all of these words together, it creates a vivid image of the library shelves being filled with untold stories that are just waiting to be discovered.