The factor received from the external world.
The influence subject has the purpose.
<1>Scenery
<2>motion
<3>Communication
<4>Taste
<5>Sound
2 step)
A player receives information from the external world.
3 step)
When action is successful, the information on remuneration is received.
<1>The information is the addition of a choice.
It is possession of new action.
<2>It makes an internal parameter up.
<3>An internal parameter is downed when action goes wrong.