1) Air-show formations 2) Aviation formations 3) Caret-shaped marks 4) Certain necklines 5) Churchill symbols 6) Churchillean gestures 7) Churchillian gestures 8) Churchillian signs 9) Couple in skivvies 10) Dress necklines 11) Edges 12) Every Volvo has two of them 13) Finger formations 14) Fivers 15) Flashed signs 
soft earth in a crack or mining fissure