| A | B |
| Uniform Crime Report | official crime data collected by FBI |
| Index/Part I crimes | more serious violent and property crimes measured by FBI |
| Part II crimes | less serious, misdemeanor, non-Part I crimes |
| cleared | classification of a case where someone has been arrested, charged, prosecuted |
| National Incident-Based Reporting System | police agencies provide a brief account of crime and arrest |
| National Crime Victimization Survey | principal source of criminal victimization information |
| self-report survey | questioning subjects about their own criminal acts |
| juveniles | most often the subject of self-report surveys |
| FBI | Federal Bureau of Investigation |
| traffic violations | not included in Part II crimes |