3, 5, 8 have similar designs (four leaves placed close to a small circle and forming a symmetrical design at the centre of the figure). 2, 6, 9 have similar designs (three of the corners of the main figure are shaded black and there is a pattern formed around a ‘+’ sign at the centre of the figure). 1, 4, 7 have similar designs (there are four small circles at(the corners of the main figure and there is a wheel shaped element at the centre of the figure).
2, 4, 9 have two similar elements intersecting each other. 6, 7, 8 have two different elements one placed inside the other. 1, 3, 5 have two different elements intersecting each other.
In each row, the second figure is obtained from the first figure by adding two mutually perpendicular line segments at the centre and the third figure is obtained from the first figure by adding four circles outside the main figure.