point in time vs stage

point in time

noun
  • A moment (of time). 

stage

noun
  • A phase. 

  • A platform; a surface, generally elevated, upon which show performances or other public events are given. 

  • One of the portions of a device (such as a rocket or thermonuclear weapon) which are used or activated in a particular order, one after another. 

  • A floor or storey of a house. 

  • The number of an electronic circuit’s block, such as a filter, an amplifier, etc. 

  • A stagecoach, an enclosed horsedrawn carriage used to carry passengers. 

  • A place where anything is publicly exhibited, or a remarkable affair occurs; the scene. 

  • The succession of rock strata laid down in a single age on the geologic time scale. 

  • The place on a microscope where the slide is located for viewing. 

  • An internship. 

  • A platform, often floating, serving as a kind of wharf. 

  • A level; one of the sequential areas making up the game. 

  • A floor elevated for the convenience of mechanical work, etc.; scaffolding; staging. 

verb
  • To produce on a stage, to perform a play. 

  • To demonstrate in a deceptive manner. 

  • To orchestrate; to carry out. 

  • To place in position to prepare for use. 

  • To determine what stage (a disease, etc.) has progressed to 

  • To jettison a spent stage of a multistage rocket or other launch vehicle and light the engine(s) of the stage above it. 

How often have the words point in time and stage occurred in a corpus of books? (source: Google Ngram Viewer )