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    (1) In programming, the process of hiding details of an object or function. Information hiding is a powerful programming technique because it reduces complexity. One of the chief mechanisms for hiding information is encapsulation — combining elements to create a larger entity. The programmer can then focus on the new object without worrying about the hidden details. In a sense, the entire hierarchy of programming languages, from machine languages to high-level languages, can be seen as a form of information hiding.

    Information hiding is also used to prevent programmers from intentionally or unintentionally changing parts of a program.

    (2) Another term for digital watermarking.