The term retreat has several relate meanings, all of which have in common the notion of safety or temporarily removing oneself from one's usual environment in order to become immersed in a particular subject matter. A retreat can be taken for reasons related to spirituality, stress, health, lifestyle, or social or ecological concerns. Increasingly, organizations hold retreats to focus board and staff members on key issues such as strategic planning, enhancing communication and collaboration, problem-solving and creative thinking.