If you lock it in a box, leave it alone, and nothing bad will happen, then it's probably Safe. If you lock it in a box, leave it alone, and you're not entirely sure what will happen, then it's probably Euclid. If you lock it in a box, leave it alone, and it easily escapes, then it's probably Keter. If it is the box, then it's probably Thaumiel. Extending the analogy to other Object Classes: If it used to need a box, but no longer does, it's Neutralized. If this is because of a deliberate decision by the Foundation, it was probably Decomissioned. If it turns out it never needed a box in the first place, it's probably Explained. If you can't fit it in a box and it's about to end the world, then it's probably Apollyon. If you could have locked it in a box but chose not to, then it's probably Archon. If you can't fit it in a box but that's not a big deal, then it's probably Ticonderoga. If you're not sure what box to put it in yet, it's probably Pending.