In this context: forcing a choice in activities between one option or other when both are meaningful to a person. That's not to say you should never abandon activities, only that folks tend to over-do it.

Some resources you might find useful

[1] https://www.artofmanliness.com/skills/how-to/weekly-plan/

[2] Todoist/Trello are great for kanban tasks lists for the must-get-dones

[3] Set reasonable goals and milestones -- and be honest with yourself! (see 1)

[4] For larger targets, https://www.oreilly.com/library/view/strategic-planning-kit/...

Planning this way has hallmarks of Agile, when actually done well not the BS we see a lot of.

Probably most important is to give yourself a bit of grace and flexibility.