Differentiate 'Real' and 'Statistical Postings' in CO. | SAP-FICO

The CO account assignment objects decide the type of postings allowed. This can be real or statistical posting.
The Real Postings, allow you to further allocate / settle those costs to any other cost object in PO, either as 'senders' or as 'receiver's.
 The objects which are allowed to have real postings include:
•   Cost Centres
•    Internal Orders (Real)
•    Projects (Real)   
•    Networks   
•    Profitability Segments   
•    PP - Production Orders (make-to-order)   
The Statistical Posting, on the other hand, are only for information purposes. You will not be able to further
allocate / settle these statistical costs to other cost objects.
 The example of such ' objects includes:
•    Statistical (Internal ) Orders
•    Statistical Projects
•    Profit Centres