A twig is a small, thin branch that grows on a tree or shrub. It is typically less than a few centimeters in diameter and can vary in length. Twigs are important for the growth of plants, as they support leaves and flowers, and help transport water and nutrients throughout the plant. Twigs can also serve as habitats for various organisms, including insects and birds. They often play a role in the ecosystem by providing shelter and food. In addition, twigs can be used in crafts and for making natural decorations, as well as in the production of items like furniture and paper.