The metre, kilogram, second and ampere are called fundamental units or base units. From these units we can derive some more units that are called derived units. These units are built up step by step from the base units and usually given a distinct name.
cadre [(kad-ree, kah-dray)] An elite or select group that forms the core of an organization and is capable of training new members. The New Dictionary of Cultural Literacy, Third Edition
CAD stands for Computer Aided Dispatch. CAD is a highly specialized application that allows for the coordinated communication, assignment and tracking of Police Department resources in response to citizen and police generated calls-for-service.hile most agencies furnish data to the public for only those select incidents in which a report was created or an arrest was made, CrimeReports.com offers a broader view of police-community contacts based on calls-for-service, including less serious quality of life call data.