Original: Classification may refer to : Library classification and classification in general Taxonomic classification Scientific classification of organisms Scientific classification ( disambiguation ) Classification ( literature ) Classification ( machine learning ) Statistical classification Document classification Security classification - sensitive information to which access is restricted by law or regulation to particular classes of people .
Simplified: Classification could mean : Library classification and classification in general Taxonomic classification Optimal classification Scientific classification of organisms Scientific classification ( disambiguation ) Classification ( literature ) Statistical classification Security classification Classification theorems in mathematics .