1. the action of describing or portraying something precisely
2. the action of indicating the exact position of a border or boundary
3. a drawing or diagram that outlines something

Examples

• The author’s delineation of the main character was remarkably detailed.
• The treaty required careful delineation of the new national borders.
• Her delineation of the problem helped everyone understand the issues.
• The architect provided a clear delineation of the building’s floor plan.
• The map showed the precise delineation between the two counties.
• His delineation of the historical events was both accurate and engaging.