SAP goods Issue

Goods Issue
1. Which control indicators influence the behaviour of the components in the production order (bulk material, back flush, phantom assembly, etc.)?
2. What is meant by picking?
3. What is meant by stock determination? Which settings have to be made for stock determination during production order processing?
4. What is a goods issue posting? How can goods issues be entered (reference to order, reference to reservation, unplanned, etc.)?
5. What is the purpose of movement types?
6. What are the effects of a goods issue posting from an international point of view (MM, FI, CO)?
7. What is meant by the back flushing of components and how can this be achieved?