What are common use terminal facilities?

Common use terminal facilities refer to buildings and resources that are available for use by multiple tenants or airlines rather than being designated for a single airline's exclusive use. This concept emphasizes the efficiency and flexibility of airport operations, allowing for shared access to space and services, such as check-in counters, gates, and waiting areas. By utilizing common use facilities, airports can optimize space utilization and improve passenger flow, especially during peak travel times, when different airlines might require additional resources.

In contrast, facilities used solely by specific airline tenants would not be considered common use, as they are tailored to the operations of a single airline and do not foster shared access. Exclusive lounges accessible only to first-class passengers are designed for a select group of travelers and do not align with the principle of common use. Similarly, terminals designated only for cargo operations are specific to freight handling and do not pertain to passenger terminal facilities. Thus, the emphasis on shared buildings and resources among different airlines is what makes the correct answer appropriate in this context.