Biggoron's Sword is received from Biggoron after the completion of a rather long and complicated trading sequence.
It disappears when Link receives the Biggoron Sword. It requires two hands but is apparently not very well made as it breaks easily after being struck on a solid object or enemy five times.
The Giant's Knife can be purchased from Medigoron, a smith in Goron City.
It is more powerful than Kokiri Sword, and can only be used as adult Link. With this sword, Link is able to travel through time.
The Master Sword is the sword pulled from the Pedastal of Time which is located within the Temple of Time.
Link finds it in the Forest Training Center near the beginning of the game.
The Kokiri Sword is the basic sword that Link is able to use while a child.
They can only be used when Link is a child. They can be used as a sword-like weapon, though they break easily, or torches.
Deku Sticks can be found almost everywhere-by killing enemies, chopping bushes, smashing rocks and vases, or even buying them in shops.