The correct answer to this open question is the following.
Although there are no references or context attached, we can comment on the following.
The 13 interrelated elements to understand community policing are:
Foot Patrol. Policemen patrol every street in the assigned zone.
Vehicle patrol. Police using vehicles to speed patrol.
Citizens patrol. Members of the community volunteering.
Case screening. To assign cases to proper detectives.
Situational Crime Prevention. Police making statements to create consciousness about crime and its consequences.
Community Crime Prevention. Police work closely with the community to prevent crime.
Prevention of crime in youth people. Police create programs to help youngsters.
Geographic approach. To signal the most conflictive areas.
Implementation of the SARA process. This menas Scanning, Analysis, Response, Assessment.
Multi-Agency Teams. A multidisciplinary approach to policing.
Communication. Open lines of communication with citizens.
Intelligence work. To gather proper information that helps prevent crime.
Crime Analysis. To better understand the behavior of criminals and the way they proceed.
