1592952547000 1312632483000 term-2850 1616541049190 1312632487000 1616289915149 adlib fitz-online adlib-term-2850 24f61647-5c34-3cb7-a00e-7b8986744e3c 2 1 classical abstraction classical abstraction term reference term-2851 adlib-term-2851 4cac319d-3603-38a4-98b0-258ae65159b3 geometric abstraction