Correct

纲举目张

/ gāng jǔmù zhāng /

Strokes

Definition

if you lift the headrope the meshes spread open (idiom)/take care of the big things and the little things will take care of themselves/(of a piece of writing) well-structured and ordered

Example

Definition

once the headrope of a fishing net is pulled up, all its meshes open—once the key link is grasped, everything falls into place; when the general plan is laid out, the details are easy to arrange