A general survey or summary that provides a broad understanding of a subject or situation.
Modern compound formed from 'over' (from Old English 'ofer') and 'view' (from Old French 'veue'). This term emerged in the 20th century as the need for comprehensive summaries grew in business and academic contexts.
Overview is a perfect example of how English creates new concepts by combining existing words in logical ways. The metaphor is spatial - getting 'over' something to see the whole landscape - which mirrors how we conceptually understand comprehensive understanding as gaining elevated perspective.
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