noun (n)

• the products of human creativity; works of art collectively(noun.artifact)

  Example:
  An art exhibition.
  A fine collection of art.
  

  Synonym:
  fine art
  

  source: wordnet30
• the creation of beautiful or significant things(noun.act)

  Example:
  Art does not need to be innovative to be good.
  I was never any good at art.
  He said that architecture is the art of wasting space beautifully.
  

  Synonym:
  artistic creation, artistic production
  

  source: wordnet30
• a superior skill that you can learn by study and practice and observation(noun.cognition)

  Example:
  The art of conversation.
  It's quite an art.
  

  Synonym:
  artistry, prowess
  

  source: wordnet30
• photographs or other visual representations in a printed publication(noun.communication)

  Example:
  The publisher was responsible for all the artwork in the book.
  

  Synonym:
  artwork, graphics, nontextual matter
  

  source: wordnet30
• The employment of means to accomplish some desired end; the adaptation of things in the natural world to the uses of life; the application of knowledge or power to practical purposes.(noun)

  source: webster1913