boss bump clop colophon concavity convexity dactylogram dactylograph dent dint doorstep embossment example excrescence fingerprint footfall footmark footprint footprints footrest footsteps fossil footprint hippety-hop hoofbeat hop ichnite ichnolite impress impression imprint indent indentation indention jump lump pace pad paw print pawmark pimple print pug pugmark rest riser round rundle rung scale seal sigil signet skip spoke spoor stair stamp stave step step stool stepping-stone stride string stud thumbmark thumbprint trace track tract tradition trail tread vestige way of life