In common usage, a dimension (
Latin, "measured out") is a
parameter or
measurement required to define the characteristics of an object—
i.e.,
length,
width, and
height or
size and
shape. In
mathematics, dimensions are the parameters required to describe the
position and relevant characteristics of any object within a conceptual
space—where the dimension of a space is the total number of different parameters used for all possible objects considered in the
model. Generalizations of this concept are possible and different fields of study will define their spaces by their own relevant dimensions, and use these spaces as frameworks upon which all other study (in that area) is based. In specialized contexts,
units of measurement may sometimes be "dimensions"—
meters or
feet in
geographical space models, or cost and price in models of a local
economy.
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