Choosing is hard. It gets harder the more options you have. Long lists tend to slow you down. Make sure you have 2 (max!) selected items on your to-do list at any time.
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To-do lists aren't enough if you haven't really selected what, from all possibilities, is going to have your focus next... The best guidance will many times detour you from the smooth path!
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How the two concepts Projects and Actions work together, at different levels of perspective.
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We all have extra-issues to handle: renew citizen card, change tires, take care of a legal issue, go to a specific shop out of the way, etc, etc. Group them at a specific day of the week (or month).
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Understanding the two most important notions of action management of the famous book "Getting Things Done", by David Allen.
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A good reminder shows up at the right time. Snoozing a reminder more than once is not a good sign. Create clever reminders, preferably out of your head.
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