noun (n)

• (computer science) written programs or procedures or rules and associated documentation pertaining to the operation of a computer system and that are stored in read/write memory(noun.communication)

  Synonym:
  computer software, package, software, software program, software system
  Antonym:
  computer hardware, hardware
  

  source: wordnet30
• merchandise consisting of a computer program that is offered for sale(noun.artifact)

  Synonym:
  software product
  

  source: wordnet30