What steps are necessary in order to ATTACH a security interest?

2) Differentiate between the ATTACHMENT of a security interest and the PERFECTION of a security interest?

3) Diffrentiate between a PURCHASE MONEY SECURITY INTEREST and a NON PURCHASE MONEY SECURITY INTEREST

4) How does a creeditor normally PERFECT their security interest in debtor's collateral?

5) What is meant by AUTOMATIC PERFECTION? Can you provide examples of this?