What is exactly/intuitively meant by putting lim and colim side by side with elements as subscripts under them, ranging in some category,like here: $$\mathbb {ind}-C(F,G)≔\mathbb{lim}_{ d∈D} \mathbb{colim}_ {e∈E}C(Fd,Ge)$$.
For $C,F,G,D$ and $E$ see here.