Among the most prominent
FIFO system (First-In-First-Out) The list is organized so that the items that are added first are prioritized, and this system is used in many areas such as queues in restaurants, offices and hospitals.
LIFO (Last-In-First-Out) system: The list is organized so that priority is given to the items that are added last. This system is used in some areas such as post offices and warehouses.
Priority System Each item on the list is prioritized based on specific criteria such as the health status of patients in hospitals or the level of importance in the business.
Justice System The list is organized so that priority is determined based on a fair distribution of opportunities. This system is used in some areas such as distributing tickets or job opportunities.
Readiness system: The list is organized so that priority is determined for items that are ready for service or use. This system is used in some areas such as technical services or technical support.