What are the important elements in the design of a polynesian charts and what does each show

a) Stick/palm ribs / coconut fiber which represented the water and oceanic/sea wave patterns

b) Stone/coral pebbles / shells to represent the land.

Explanation:

Polynesian stick chart is a form of navigational tools used to discover the sparsely distributed island. They predominantly used following elements

a) Stick/palm ribs / coconut fiber which represented the water and oceanic/sea wave patterns

b) Stone/coral pebbles / shells to represent the land.

The combination of these stick and pebble was used to represent the interaction of ocean waves with the island. However, these navigational charts did not represented an exact weather condition.