A. Most of hecates lines contain eight syllables instead of ten B. The words are meant to be sung instead of spoken
C. the tone is happy instead of sad and desperate
D. the lines are said in an aside instead of to the other characters

According to the excerpt from "The Golden Cat", a poem by Oliver Herford, the meaning of the figurative language in lines 5 and 6 simply means that

The sun does not appear all at once. It starts gradually from the edge of the dark horizon.

This is evident from Line 5 which states that He stretches forth his paw at the dawn.

Cheers