Option 1 -> The environment encompasses all external factors, forces, and conditions that exist outside the organizational boundaries.
Option 2 -> Management is an internal function within the organization responsible for planning, organizing, and controlling resources.
Option 3 -> Planning is an internal managerial process of setting goals and determining actions to achieve them.
Option 4 -> Business refers to commercial or organizational activities, which are part of or related to the organization itself.
Hence, Option 1: Environment -> When we subtract the organization from the universe, what remains is everything external to it - the environment. The environment includes all external stakeholders, market forces, competitors, regulatory bodies, social factors, economic conditions, and everything else that exists outside the organization's boundaries but may influence or interact with it -> correct