previews

noun
  1. 1

    An experience of something in advance.

  2. 2

    An advance showing of a film, exhibition etc.

  3. 3

    Something seen in advance.

  4. 4

    A facility for seeing and checking a document, or changes to it, before saving and/or printing it.

verb
  1. 1

    To show or watch something, or part of it, before it is complete.

Source: https://en.wiktionary.org/wiki/preview, https://en.wiktionary.org/wiki/previews