1804. Why would you always be able to find these characters? 田 家 坂 境 頂

Answer:

They represent things found on a map or used to navigate.

田  DEN, ta - paddy field

家  KA, KE, ie, ya - house, family

坂  HAN, saka - slope, hill

境  KYOU, KEI, sakai - boundary

頂  CHOU, itadaki, itada(ku) - top, peak, summit, receive