It is a figure of speechwhere the speaker addresses an object, a dead person or a personified idea as if he is addressing a living person present.

It is the difference between appearance any reality

It is the repeating of the words, phrases,texts in a poem for emphasis

It means to do something than once to employ emphasis on an idea.

It refers to exaggeration meant to emphasize what we are saying

It is simply an exaggeration used to highlight and emphasize the point in question