What does the ranking of categories of creditors entail, as well as the amounts owed to each of them, the guarantees provided against each debt, and their respective values? 
The ranking of categories of creditors refers to the specific order in which different types of creditors will be paid in the event of a debtor's insolvency. It outlines the priorities and preferences among creditors. Additionally, it involves determining the specific amounts owed to each creditor, the guarantees that have been provided against each debt, and the corresponding value of these guarantees.