Concrete meetings and high speed notes

When I've got many meetings in a day, I risk forgetting what we were talking about and what the next step was if I don't make a few brief notes right after the meeting and write them down as tasks in my to-do-list. But, since my time is in scarce supply, processing of the notes mustn't be time-consuming. Today, 'Done!' is about how to swiftly collect the essence of a meeting in order to make quick progress forward.