Kinesin is a protein that moves things around the cell. That filament is a protein strand that gives the cell structure. That vesicle is a big blob full of cellular product that the cell wants to transport somewhere else. It is driven by ATP hydrolysis. (Source)(Video)
“Taki-sensei, who had the well-earned nickname of “Meddling, Cute Demon,” left everyone unable to object to his mean comment, and it was agreed that we’d hold auditions.”