one ship or boat

small boats

go across, go over / migrate

a sea, an ocean / a lake / (figuratively) an object covering over a large area, as in 血の海 (chi no umi, “pool of blood”) or 火の海 (hi no umi, “sea of fire”)

ship, vessel, larger ship

ship, vessel, large ship

ship, vessel, larger ship

one day

cover a many areas or topics, a lot of ground

sea, ocean / vastly gathered / large, wide