Repetition: Waiting for the night to end/waiting for a friend/waiting for that morning light. "Waiting for" is being repeated.
Alliteration: The soft snow swirled in circles around the subway stairs. The "sss" sound is being repeated.
I'm not sure about the others, but I hope this helps. :)
Muscle contractions in your lower legs act as pumps, and elactic vein walls help blood return to your heart. Tiny valves in your veins open as blood flows toward your heart then close to stop blood from flowing backward. Causes of varicose veins can include: Age
Connotation is the emotion or idea that is associated with a word.
