arrangement vs level set

arrangement

noun
  • An agreement. 

  • Preparations for some undertaking. 

  • An adaptation of a piece of music for other instruments, or in another style. 

  • The act of arranging. 

  • A collection of things that have been arranged. 

  • A particular way in which items are organized. 

  • The manner of being arranged. 

level set

noun
  • A state of mutual understanding among parties 

  • An event consisting of level setting 

  • The set of values x for which a real-valued function f(x) is equal to a given constant. 

verb
  • To establish a baseline of mutual understanding 

How often have the words arrangement and level set occurred in a corpus of books? (source: Google Ngram Viewer )