Post #5-looks like flap you mount on your big motor that flips down behind prop for slowing troll down when boat is in gear idling thru water.

Post #6-boat trailer jack

Post #7-looks like L.E.D. light for night fishing-used above or below water

Post #10-power converter. attach clamps to battery and use plug ins for 110 v.

Post 12 & 13-more night lights for fishing.