Pronunciation: /ˌdɒkjʊmɛnˈteɪʃ(ə)n/
noun
[mass noun]-
1material that provides official information or evidence or that serves as a record: you will have to complete the relevant documentation
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the written specification and instructions accompanying a product, especially a computer program or hardware: user documentation
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2the process of classifying and annotating texts, photographs, etc.: she arranged the collection and documentation of photographs