narration vs sitrep

narration

noun
  • That which is narrated or recounted; an orderly recital of the details and particulars of some transaction or event, or of a series of transactions or events; a story or narrative. 

  • The act of recounting or relating in order the particulars of some action, occurrence, or affair; a narrating. 

  • That part of an oration in which the speaker makes his or her statement of facts. 

sitrep

noun
  • a situation report. 

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