diagram,diagram_label,is_colimit,construction,construction_label pair of points,pair of points,0,binary product,binary product pair of points,pair of points,1,binary sum,binary sum pair of parallel arrows,pair of parallel arrows,1,coequalizer,coequalizer tower,tower,1,directed colimit,directed colimit tower,tower,0,directed limit,directed limit pair of parallel arrows,pair of parallel arrows,0,equalizer,equalizer endomorphism,endomorphism,0,idempotent splitting,idempotent splitting endomorphism,endomorphism,1,idempotent splitting,idempotent splitting empty diagram,empty diagram,1,initial object,initial object cospan,cospan,0,pullback,pullback span,span,1,pushout,pushout empty diagram,empty diagram,0,terminal object,terminal object