Your steps are also good practice for getting things done in general.

I would add that part of the main work is to further subdivide any chunks that are poorly defined, and that the time spent elaborating and subdividing chunks is a productive work activity.

Ideally, at the end of a workday I like to have at least one or two chunks sufficiently defined that when I show up the next morning I can just sit down and complete them without having to put any thought into it.