Dynamics NAV has one big key word (among others), called post. If you read the word post anywhere in an application or see the following icon, it means that if you click on the button, a routine will be run and this will lead to posted documents and posted entries that are on their last stage. It is the trusted data that won't change anymore. This is important for many IT and accounting audits.
As explained in The data model section of this chapter, Dynamics NAV has some tables called Entries (G/L Entries, Cust. Ledger Entries, Vendor Ledger Entries, Item Ledger Entries, and so on) that correspond to transactions related to master data. The only way to insert data into entry tables is through the posting routines. Numerous validations are carried out during posting routines as the system has to check whether all data is correct and that no inconsistencies exist.
One unique posting process usually creates multiple entries, and all of the entries are related and consistent...