For every square there's a fish you have to shoot and he will then mark it on your map with a name and a basic shape of the island.
to get the triforce chart first go to the far left hand side of the map on of those island has a chart on it in a cave then once you get it go to one of the islands on the map when the moon coressponds with that island then when you see it ram it
If you are talking about Wind Waker, then you go to tingle on tingle island, and pay something around 584 rupees...for just one map.
In diamond steppe island to get on the island you need the hookshot.
One square directly below Dragon Roost Island
near each island you will see fish hopping out of the water go near them until you see their shadows in the water ( you must be in your boat) drop the three berrie type bait in the water and they will eat it and put the island on your chart
You have to go to Diamond Steppe isle and get the ghost ship map. This map will tell you where it is at night. After you open it at night, open your sea chart and sail to the ghost ship. Just sail right into it. After you beat all the enemies before you open the chest, break the jar. There is alot of rupees in them. After you open the chest and get the Triforce map the ghost ship will disappear with you in it but you will wake up in the lion boat.
Such a map is commonly known as a nautical chart.
Chart.
A navigator's map is a chart.
E6 Or on the map (below) x is ice mountain. a b c d e f g 1 - - - - - - - 2- - - - - - - 3- - - - - - - 4- - - - - - - 5- - - - - - - 6- - - - x - - 7- - - - - - -
A contour chart is a map that shows contour lines. A good example of this is a topographic map.
It is on the very left side on the map from the very bottom, go two spaces up and be prepared to fight a squid.