COP is an acronym for community-oriented policing. POP is an acronym for problem-oriented policing.
The basic tenet of COP is for the police department to foster a working partnership between themselves and the community which they serve. Goals of this approach are maintaining order, reducing the fear of crime, and improving the quality of life in the local neighborhoods.
In POP strategies include encouraging the use of a broad range of information, encouraging a broad range of solutions, and the system as a whole should require no additional resources or special units.