  We show how to treat families of $\infty$-categories fibered in categorical
patterns (e.g., $\infty$-operads and monoidal $\infty$-categories) in terms of
fibrations by relativizing the Grothendieck construction. As applications, we
construct an analog of the universal cocartesian fibration and explain how to
compute limits and colimits of $\infty$-categories fibered in categorical
patterns.
