2115. How many of each of these are there? Why does that matter? 時 店 角 件 滴

They all have to do with counting.  

時  JI, toki - time, hour

店  TEN, mise - shop

角  KAKU, kado, tsuno - corner, angle, horn

件  KEN - matter, affair, case

滴  TEKI, shizuku, shitata(ru) - drop, drip, trickle