If you are feeling lost on what to do next, or feeling overwhelm consult the list.
Personally, I have a motto (and no offense to the religious folk), " The List is God". In that I would obey it as I would the words of the Lord. And when I get confused or overwhelm, I just take a new peice of paper/or open up my document program and I create a separate smaller list for that one particular task. Once it's broken down its easy for me to breeze through the list, it almost becomes a game of "how much can I really get done today".
So never underestimate the power of a pen, paper and an old fashion to do list. As Dad used to say, 'plan your work and work your plan'. The classics never die.