The figure of speech in the line "rays of the rising sun" is "metaphor." The word "rays" is used to represent the light emitted from the sun, and the phrase "rising sun" is used to describe the sun as it ascends in the morning sky.
The figure of speech in the line "rays of the rising sun" is a metaphor. A metaphor is a figure of speech that implies a comparison between two different things, without using "like" or "as." In this case, the rays of the rising sun are being compared to something else, possibly indicating the beauty, brightness or warmth they possess.
