MSD

#Natural phenomena #Circles #Quadrilaterals #Letters presenting a special form of writing #Luminous sources, rays, shafts of light #Several circles, juxtaposed, tangential or intersecting #Circles containing one or more letters #Circles with dark surfaces or parts of surfaces #One quadrilateral #Quadrilaterals containing one or more circles, ellipses or polygons (specify the content) #Quadrilaterals with dark surfaces or parts of surfaces #Series of letters separated from one another other than by a single space #Letters in light-coloured characters on a dark background #Letters presenting some other special form of writing