Tick anything you already have, in any order. Quests unlock once this is done.
Flexible wax survives the post; traditional hard wax shatters in a sorting machine. If the seals are going on letters, this choice is the whole thing.
2 things left above. Quests are real things you go and do, so they only make sense once you have what you need.
First one waiting: Make one clean seal with a sharp impression