variatii

Variatii is the Romanian plural form of variație, and in general it denotes variations, differences, or alternative forms within a set or process. The term is used across disciplines to describe variability among elements, outcomes, or expressions.

In mathematics and statistics, variation refers to how data points differ from one another, with related concepts including variance and standard deviation. In the calculus of variations, variational problems seek extrema of functionals where the function itself is varied. In biology, genetic variation describes the diversity of alleles and genotypes within a population, providing the raw material for evolution. Ecological contexts also discuss variation among ecosystems, communities, and species as a key component of biodiversity.

In linguistics, language variation covers differences in pronunciation, grammar, and vocabulary across dialects, sociolects, and registers. In music, a variation is a formal technique in which a theme is repeated with alterations in melody, harmony, or rhythm. In philosophy and rhetoric, variatio or variation is a figure of speech used to alter expression to maintain interest or to avoid monotony.

Orthography and etymology: variație is the Romanian word for variation; variatii is the plural form written without diacritics. The term derives from Latin variatio. See also variance, variability, variant, and variation.