What type of agreements involves charges for using terminal space for operations?

Concession agreements are specifically designed to allow an entity to operate in a terminal space while paying fees or charges based on their use of that space. These agreements typically involve a business operating a service or retail outlet within an airport terminal and are structured to include payment terms that are linked to the revenue generated from the services offered. By their nature, concession agreements focus on the commercial aspects of operating within an airport's terminal environment, including charging for the space and services provided.

Commercial leases and non-aeronautical leases, while similar, cover a broader range of agreements that may not specifically relate to terminal operations or may involve different types of arrangements. Land use agreements are usually associated with the leasing of land rather than the specific terminal-based operations that concession agreements address. Hence, the focus on operational charges for terminal space usage is what makes concession agreements the correct answer for this question.