Doubts in 11.5.10.2 GL budgeting ??

[Vipparla]

1.What is meant by encumbrance, budgetary control and funds check level and how do they work practically?
2. Should budget and budget organization be defined in every year? And cn budget be deleted?
3.What is meant by audit trial?
4.What meaning does entering budgets through journal form have if other side (dr or cr ) is zero?
5.How is Master budget used in define budget form?
6.Suppose Maharastra is a region ( for this region actuals posting is not allowed) and has Mumbai, Nagpur, Pune as locations (in locations actuals posting is allowed) budget is to be prepared for region expenses , but actuals can be entered at locations level .Is this possible , if possible , how? And how to compare?
7.Is it possible to prepare budget for Cost per Head count or cost per unit ?