What does classification mean? the arrangement of animals and plants in taxonomic groups according to their observed similarities (including at least kingdom and phylum in animals, division in plants, and class, order, family, genus, and species).
What does taxonomy mean? the branch of science concerned with classification, especially of organisms; systematics.
Binomial Nomenclature- a system of nomenclature in which each species is given a unique name that consists of a generic and a specific term. http://www.dictionary.com/browse/binomial-nomenclature