Metadata. Sometimes described as data about other data, this term refers to
descriptive information about computer files. Metadata might describe how, when, and
by whom a particular file was received, created, accessed, and/or modified; how the file
is formatted; and the type of content in the file . Some
metadata, such as file dates and sizes, can easily be seen by the user of the computer,
while other metadata is embedded in file locations requiring special software tools or user
knowledge to be revealed. Metadata information is generally not reproduced in full form
when a document is printed
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