... the heck (e.g. "what the heck?"); ... in the world (e.g. "why in the world?"); ... on earth (e.g. "who on earth?")
complete picture; panorama; what it all adds up to; bird's eye view; all-embracing portrait; overall perspective
entire world; whole world; world stage
whole nation; entire nation; all the people
plenary session; general meeting; plenum
(philosophical) holism; wholism
master plan; overall plan
part-whole relation; partitive relation