storyline

noun

Etymology: From story + line. The climate science usage is defined in the IPCC WG III AR5 report (2014).

1. The plot of a story; one of several within a story, usually interwoven.

   “That film had a wonderful storyline, but the poor acting let it down.”

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