pot·pour·ri
/ˌpōpəˈrē/
noun
a mixture of dried petals and spices placed in a bowl or small sack to perfume clothing or a room.
a mixture of things, especially a musical or literary medley.
Therefore, the phrase "a beautiful potpourri..." or mixture "...of differences" means that whatever this line is referring to is a pleasant mixture of many different things.
Hope this helped.
Answer:
My mistress' eyes are nothing like the sun; Coral is far more red than her lips' red; If snow be white, why then her breasts are dun; If hairs be wires, black wires grow on her head.
C. It is a word that has implications associated with it. D. It is a word that started in the German language but has had its meaning improved in the English language.