Treasure

Treasure (宝) is normally seen as a collection of gold and silver, or even valuable gem stones such as diamonds, rubies and pearls hidden somewhere waiting to be discovered. However Treasure can refer to anything valuable from an old vase worth millions to a vow between friends or a memory of an experience. Sometimes what one person may consider to be a treasure, others may not, hence the phrase: "One person's trash is another man's treasure". Generally, a treasure is something that a person is not willingly to give up without a fight.

One Piece
In One Piece, the idea of treasure has been raised a number of times. While most like Buggy or Nami value gold, silver and jewels, there are others who hold other treasures dearer to their heart:


 * Luffy considers his Straw Hat his treasure because he took a promise to return it to Shanks.
 * Zoro considers his vow with Kuina to become the best Swordsman as a treasure and carries her sword with him always.
 * Robin considers history more valuable then gold and to her there is no bigger crime then destroying something from long ago such as a set of ruins. The reason being is that humans can study and look back at history, but they can never return to the past, thus when it is destroyed that part of history is forever lost.
 * Sanji considers his hands to be his treasure because, as a cook, he would be unable to prepare meals if anything happened to them, hence his kick based fighting style.
 * Nami considers money and her tangerines to be treasure.
 * Chopper's hat and flag are his treasures because Dr. Hiluluk gave them to him. He also considers human life and proper treatment to be a treasure of sorts. When Hogback struck Victoria Cindry, Chopper became angry and attacked, seeing Hogback, who used to be a doctor and was supposed to help people with their problems, disregard his vow for human life.
 * Usopp considered Going Merry to be a treasure, not only to himself, but the entire Straw Hat crew. When he found out it was damaged beyond repair, he became angry and got into a fight with Luffy.
 * Brook considers his afro a treasure because it's the only thing Laboon would recognize him by.
 * Gaimon considered the animals on his island a treasure after finding out that the treasure he was guarding for twenty years was already gone before he got there.
 * Boodle, the mayor of Orange Town considered his town his treasure and was willing to fight Buggy for it.
 * Crocodile considered Pluton a treasure as it was the key to his dreams of conquering the world.
 * To the Shandians their former home of Shandora was their treasure and they were prepared to die for just one bag of Vearth.
 * Ace, before exhaling his last breath, thanked his brother and his Nakama for loving him despite his heritage, suggesting that those relationships were more precious to him then any amount of gold, a trait he had in common with his captain Edward Newgate.
 * Edward Newgate considered his pirate crew and allies as his treasure, so his treasure was family.
 * King Neptune views his only daughter Shirahoshi as his treasure.

One Piece itself is named after the treasure of the late Pirate King Gol D. Roger. The biggest mystery (after its location) is what it is.

Treasure Maps
A map is a diagram or graph designed to show the locations of things as they lay on the landscape, such as where forests or villages are located. They are normally used as a guide to get from one location to another with or without the aid of a compass. In the world of One Piece, they normally take the form of a treasure map or island map.

Trivia

 * Despite their association and love for plunder and treasure, most pirates in reality were broke and had little treasure at all because they spent most of what they stole on alchohol, women, and gambling.