<li><i>Clear goals</i> (expectations and rules are discernable).</li>
<li><i>Concentrating and focusing</i>, a high degree of concentration on a limited field of attention (a person engaged in the activity will have the opportunity to focus and to delve deeply into it).</li>
<li>A <i>loss of the feeling of self-consciousness</i>, the merging of action and awareness.</li>
<li><i>Distorted sense of time</i> - our subjective experience of time is altered.</li>
<li>Direct and immediate <i>feedback</i> (successes and failures in the course of the activity are apparent, so that behavior can be adjusted as needed).</li>
<li><i>Balance between ability level and challenge</i> (the activity is not too easy or too difficult).</li>
<li>A sense of personal <i>control</i> over the situation or activity.</li>
<li>The activity is <i>intrinsically rewarding</i>, so there is an effortlessness of action.</li>
