Need Item setup and its Accounts in PO & Inventory

Dear Expert,

Could you please clarify the below :-

1. How to setup an item for different types of Items, i.e., Expense Item, Asset Item, Inventory Item

2. How and what Accounts that we can give to the above Assets

3. What are the Journal Entries for all above scenarios i.e., at the Time of Expense Account receiving, Asset Item Receiving, Inventory Item Receiving

4. How to create Invoice for the above 3 scenarios in AP Module

5. How system will transfer the PO based Assets in AP Module to transfer to FA

6. How we can receive the Expense Item into Inventory and how can we care AP Invoice