outline

[1]	trace , draft , sketch , rough out , profile , block (out) , plan (out) , lay out , define , delineate
[2]	sketch , adumbrate
[3]	draft
[4]	delineate , limn

[1]	profile , lineation , silhouette , contour , periphery , boundary , footprint
[2]	synopsis , synopsis , abstract , resume , summary , precis , digest , abstract , conspectus , survey , overview , run-down , recapitulation , review , (thumbnail) sketch , skeleton , (overall) plan , layout , framework , draft , scenario
[3]	schema , scheme