A column is a vertical structural element in architecture. Column or columns may also refer to: Art and entertainment Column (periodical), a recurring piece or article in a newspaper or magazine "Columns" (How I Met Your Mother), a 2007 episode of How I Met Your Mother Columns (video game), a puzzle video game Computing and mathematics Column (data store), a NoSQL object Column (database), a set of data values of a particular type in a relational database Column vector, an m × 1 matrix in linear algebra Miller Columns, the data tree structure visualization technique Military Column (formation), a military formation Flying column, a combined arms independent military formation of a temporary nature Science Column (botany) or gynostemium, a part of an orchid Column chromatography, a method used to purify individual chemical compounds from mixtures of compounds Column-based nucleic acid purification Cortical column, a group of neurons in the brain cortex Fractionating column, an essential item used in distillation of liquid mixtures Packed bed column, an apparatus used in column chromatography, absorption, scrubbing and distillation Stalagnate (or pillar or sinter column), a limestone cave formation comprising a column from the ceiling to the floor Vertebral column, a column of vertebrae situated in the dorsal aspect of the abdomen Column (fluid dynamics), a vertical body of one fluid moving through another Eruption column, a cloud of super-heated material suspended in gases after a volcanic eruption Other uses Columns (juggling), a juggling pattern Column (typography), a vertical block of text positioned on a page Fifth Column, group of people who undermine a larger group, city or nation See also Collum (disambiguation), a neck or neck-like structure, also a surname Columnar (disambiguation) Column groups and row groups Help:Columns Template:Column Template:Columns-list