纲举目张 meaning in English

once the headrope of a fishing net is pulled out, all its meshes open.; a lucid exposition of an outline, a sharp definition of categories; it is only by taking hold of the key link that everything else will fall into its proper place.; once the key link is grasped, everything else falls into place.; only when the key link is grasped, will everything fall into place.; when the general plan is laid out, the details are easy to arrange.; when the lead rope is raised, the fish net opens wide