Architectural drawing, various symbols, blueprint, white background, grid paper, 2D design, ruler, pencil, eraser, sharp lines, geometric shapes, dimensions, annotations, arrows, circles, squares, triangles, legends, section marks, north arrow, scale bar, door symbol, window symbol, column symbol, floor plan, elevation, cross-section, isometric view, axonometric projection, orthogonal drawing, soft blue tone, precise linework, detailed annotations, realistic rendering.