A CYCLONE fence is a type of fence made up of chain-link mesh, which is often used for security purposes. A PICKET fence is a type of fence made up of vertical posts connected by horizontal rails, and is commonly used to define property boundaries. A RAIL fence is a type of fence made up of vertical posts connected by two or more horizontal rails, and is often used in agricultural settings. A SPITE fence is a type of fence built to annoy a neighbor, usually by blocking their view or access to something. All of these types of fences are kinds of fences.