direction vs storyline

direction

noun
  • The work of the director in cinema or theater; the skill of directing a film, play etc. 

  • Guidance, instruction. 

  • A general trend for future action. 

  • A theoretical line (physically or mentally) followed from a point of origin or towards a destination. May be relative (e.g. up, left, outbound, dorsal), geographical (e.g. north), rotational (e.g. clockwise), or with respect to an object or location (e.g. toward Boston). 

storyline

noun
  • The plot of a story. 

  • A narrative description of a given modeling scenario, highlighting its main characteristics and underlying technical and socioeconomic drivers. 

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