Which is a general written description covering the main points of a subject

I think that it is the theme. The theme  is a general written description covering the main points of a subject. It is  the main subject that is being discussed or described in a piece of writing, a movie, etc. Hope this answers the question. Have a nice day.

Atahualpaemperor of the inca empire who rose to the throne after winning a civil war between him and his brother.  -he refused to become a spanish vassal or christian.-francisco pizarro kidnapped him and demanded a huge ransom.  -pizarro's secretary described him as "a man of thirty years, good-looking and poised, somewhat stout, with a wide, handsome, and ferocious face, and the eyes flaming with blood."-after the ransom was paid, atahualpa was killed by pizarro