Sales Order Tables and Classes in ax 2012

while creating the SalesOrders.

Tables:

SalesTable contains all SalesOrder headers.
SalesParmTable and SalesParmLine  contains all sales headers and Lines.

CustConfirmJour and CustConfirmTrans tables contains all Sales Confirmation headers and Lines.

CustPackingSlipJour and CustPackingSlipTrans tables contains all sales PackingSlip headers and Lines posted.

CustInvoiceJour and CustInvoiceTrans tables contains  all Sales Invoice headers and Lines posted.

Classes:

 SalesTableType and SaleslineType classes.

SalesFormLetter_Confirm------while  confirm

SalesFormLetter_PickingLlst
SalesFormLetter_PackingSlip
SalesFormLetter_Invoice

If we want to add any field on sales order process.For that field we get the values from below methods.

SalesTable--initFromCustTableIL()-->initFromCustTableServer()-->called from 

SalesLine

SalesParmTable---initFromSalesTable()

SalesParmLine---initFromSalesLine()

CustConfirmJour---initFromSalesTable()

CustConfirmTrans--initFromSalesLine()