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indexing (EN)
noun

This word can also be a form of:
index (verb)

noun “indexing”

singular indexing, plural indexings or uncountable
  1. (in computing) a system of assigning numerical indexes to elements in a data structure
    Most programming languages use zero-based indexing for arrays.
  2. (in finance) an investment strategy aimed at matching the performance of a market index
    Indexing is popular among investors seeking stable returns.