A queue allows you to add elements at the front, while a stack adds elements at the

A priority queue processes nodes in a depth-first manner, while a stack processes

A queue processes nodes in the order they are added, while a stack processes nodes

A stack is a first-in-first-out (FIFO) data structure, while a queue is last-in-first-out (LIFO)

A queues can process nodes level by level, while a priority queue always processes