Arbor refers to a tree or a structure that supports climbing plants. In a broader sense, it can also denote a place where trees are cultivated, such as an arbor garden. These spaces often provide shade and beauty, enhancing the environment in parks and gardens. In technology, "Arbor" can refer to Arbor Networks, a company specializing in network security and performance management. They provide solutions to protect against cyber threats and ensure the smooth operation of network services, making them essential for businesses relying on digital infrastructure.