Day planning is a popular workflow type where instead of working from lists or your Master List, you create a to-do list for your day (the night before or first thing in the morning) that you then try to complete.
It's a large topic as there are many different ways to create a day plan (e.g. time blocking, daily to-do list, agenda )
Day Planning webinar
Watch this webinar on day planning to learn more about it:
Day Planning Workflows
Scheduling tasks into your day
If you want to learn more about how to schedule tasks into your day to create a day plan read this.