Goals are clear - one knows at every moment what one wants to do

Feedback is immediate - one knows at every moment what one wants to do

Skills match challenge - the opportunities for action are in balance with the person's ability to perform

Concentration is deep - attention is focused on the task at hand

Problems are forgotten - irrelevant stimuli are excluded from consciousness

Control is possible - in principle, success is in one's hands

The sense of time is altered - usually it seems to pass much faster