The phrase "comprehensive checklist" means a list that includes all the important things or items you need to consider or complete a specific task or goal. Full definition
What it is: a complete and comprehensive checklist of action steps to take before you publish your eBook. (30daybooks.com)
This means making comprehensive checklists of what you need to pack and packing well ahead of time to ensure that you have absolutely everything you need. (blog.sa-venues.com)
when they get something wrong)-- so a single comprehensive checklist may be the safer option. (wexboy.wordpress.com)