A floor plan is the foundation of any spatial design — it's the bird's-eye-view drawing that shows how a space is organized. Architectural floor plans show structural elements (walls, doors, windows, fixed plumbing). Interior floor plans add furniture, flow, and traffic patterns.
Reading a floor plan well takes practice. Walls are usually shown as thicker lines with hatching; doors as a quarter-circle showing their swing; windows as breaks in the wall lines; stairs as numbered steps with directional arrows. Scale matters — a 1:50 plan reads very differently from a 1:100, and most consumer-facing floor plans are at 1:100 to fit on a single page.
AI tools can generate floor plans from text descriptions or refine existing ones. The state of the art (2026) is good enough for early-stage exploration but not yet reliable enough to send straight to a contractor — always have an architect or designer validate before construction.