The term 'CONVERTS HIDE INTO LEATHER' refers to the process of tanning, which is the process of treating animal skins and hides to make them suitable for use in a variety of products. Tanning involves soaking the hide in a solution of chemicals and then drying it, which helps to preserve the hide and make it more durable. The end result is leather, which is used in a variety of applications, such as clothing, furniture, and accessories.