The checklists are prioritized lists of all the tasks that you need to carry out. They list everything that you have to do, with the most important tasks at the top of the list, and the least important tasks at the bottom.
In the professional world, checklists are a huge component to the daily work of pilots and surgeons. Detailed step-by-step checklists help fight complacency in the cockpit, and maintain safe operation of the aircraft during all phases of flight, from gate to gate. In hospitals, medical teams use checklists to ensure surgical procedures go smoothly.
Troubleshooting checklist include step by step instructions that need to be followed in case of emergencies like a fire breakout. While Coordination Checklist will help maintain coordination in situations where different departments or teams are required to collectively perform a task. However, the Discipline Checklist comprise guidelines following which will prevent taking wrong decisions.
Recently, The Art of Manliness provided an historical look at checklists, along with a detailed primer in deciding which lists will work for you, culled from the excellent, The Checklist Manifesto. You can implement the same routine in your daily work to help give you a greater shot at success.