the act of searching for something

a journey or mission undertaken by a protagonist in a work of literature to achieve a goal that is often of great importance and requires significant effort and sacrifice to attain

a specific task, mission, or objective that players must undertake and complete as part of the game's storyline or objectives

express the need or desire for

bark with prolonged noises, of dogs

search the trail of (game)

to search with determination, often for something of great importance or value