a group of people or things arranged by class or category
the act of distributing things into classes or categories of the same type
the principles of right and wrong that are accepted by an individual or a social group
instrumentality that combines interrelated interacting artifacts designed to work as a coherent entity
a group of independent but interrelated elements comprising a unified whole
(physical chemistry) a sample of matter in which substances in different phases are in equilibrium
an organized structure for arranging or classifying
a complex of methods or rules governing behavior
a procedure or process for obtaining an objective
a group of physiologically or anatomically related organs or parts
