Getting Things Done is a meditation technique that involves writing down any thoughts that cross your mind in a trusted collection area outside of your brain. It then recommends regularly reviewing your collection area to determine if each item requires action, and if so, what the next action is and where it should be documented. Key components of the system include collection areas, a someday/maybe file, reference file, waiting list, calendar, next action list, and project list. The technique aims to help prioritize tasks and prevent procrastination by clearly defining action items.