factory vs user guide

factory

noun
  • A device or process that produces or manufactures something. 

  • A factory farm. 

  • In a computer program or library, a function, method, etc. which creates an object. 

  • A building or other place where manufacturing takes place. 

  • A trading establishment, especially set up by merchants working in a foreign country. 

  • A police station. 

adj
  • Having come from the factory in the state it is currently in; original, stock. 

user guide

noun
  • A manual intended to assist in the use of a particular system. 

How often have the words factory and user guide occurred in a corpus of books? (source: Google Ngram Viewer )