machine embroidery on stretched piece of fabric

ob·​scu·​rum per ob·​scu·​ri·​us | \ ȯb-ˈskyu̇r-u̇m-ˌper-ȯb-ˈskyu̇r-ē-u̇s  \
: (explaining) the obscure by means of the more obscure

ig·​no·​tum per ig·​no·​ti·​us | \ ig-ˈnō-tu̇m-ˌper-ig-ˈnō-tē-ˌu̇s
: (explaining) the unknown by means of the more unknown