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// size(width, height);
size(500, 500);
// background(grey);
background(200);
// point(x, y)
point(200, 400);
//line(x1, y1, x2, y2);
line(100, 50, 100, 400);
line(200, 50, 200, 400);
line(50, 400, 400, 400);
line(50, 400, 300, 300);
// rect(x, y, width, height);
rect(50, 150, 70, 30);
rect(50, 150, 35, 15);
rect(50, 150, 15.25, 5.25);
rect(150, 150, 70, 30);
rect(150, 150, 35, 15);
rect(150, 150, 15.25, 5.25);