纵横开合

Explanation: Refers to the manipulation of ease. With the vertical and horizontal opening and closing. " 　　Source: Collingwood "Tribute to the Pioneers" The core of literature is an urgent sense of reality, and Bifeng actions, vertical and horizontal opening and closing, sounds and talk, from historical anecdotes ... ... until the folk storytelling, singing and painting. " Thesaurus:  In length and breadth Opening or closing