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.