The definition of the word 

Noun “ART” (countable and uncountable; plural arts)

•  (uncountable) Human effort to imitate, supplement, alter, or counteract the work of nature.
• (uncountable) The conscious production or arrangement of sounds, colours, forms, movements, or other elements in a manner that affects the sense of beauty, specifically the production of the beautiful in a graphic or plastic medium.
•  (uncountable) Activity intended to make something special.
• (uncountable) A re-creation of reality according to the artist's metaphysical value judgements.
• (uncountable) The study and the product of these processes.
• (uncountable) Aesthetic value.
•  (uncountable, printing) Artwork.
• (countable) A field or category of art, such as painting, sculpture, music, ballet, or literature.
• (countable) A nonscientific branch of learning; one of the liberal arts.
• (countable) Skill that is attained by study, practice, or observation.