a means of visualizing the level of similarity of individual cases of a data set.

(programming) A data structure consisting of a vector of vectors, in the case of a 2-dimensional array, or, in the case of an N-dimensional array, a vector of multidimensional arrays of degree N minus 1, thereby allowing the simulation of a N-dimensional grid of storage locations using an underlying memory architecture in which storage is addressed in a linear fashion.

Language with multiple layers, meanings.

Multidimensional Poverty Indices uses a range of indicators to calculate a summary poverty figure for a given population, in which a larger figure indicates a higher level of poverty.