People within a single business-role definition may have different needs and motivations. Behavioral variables can capture this, although often not until user data has been gathered.

Definition: In games, one particle represents one event. A basic particle has multiple behavioral features, which make it a complete particle unit. A particle can be divided into three categories.

Pass to criminal, criminal's behavioral model, efficient crime and inefficient crime, crime income and definition when the concept of crime cost, propose the rational crime theory;