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A manual stock increase with no purchase order behind it — inventory rises and posts to an offset account, against a warehouse and never a business partner.

A customer payment received and allocated against open A/R invoices — cash rises, the customer's receivable clears, and the applied invoices close.

A request for a price from one or more suppliers — the head of the purchasing chain. No stock, no G/L effect.

A non-binding price offer to a customer — the first document in the sales chain. No stock, no G/L effect.

A manual stock decrease with no sales document behind it — inventory falls and posts to an expense account, against a warehouse and never a business partner.

A payment made to a vendor and allocated against open A/P invoices — cash falls, the vendor payable clears, and the applied invoices close.

A binding commitment to a supplier to buy goods or services. No stock, no G/L effect — but it drives MRP and starts the three-way match.

The customer's commitment to buy — may commit (reserve) stock, but posts no G/L entry. The hub of the sales chain.

The physical shipment of goods to a customer — reduces stock immediately and posts COGS under perpetual inventory.

Records the physical receipt of goods from a supplier. Increases stock and posts the GRNI accrual — the received leg of the three-way match.

A manual, balanced posting straight to the general ledger — debit and credit lines against G/L accounts, with no business partner and no item.

Moves stock from one warehouse to another — quantity leaves the source and arrives at the destination with no net change in inventory value and no business partner.

Records the supplier's bill and the payable owed. Clears the GRNI accrual and books Accounts Payable — the billed leg of the three-way match.

The customer billing document — creates the legal claim and posts the G/L entry (Accounts Receivable, Revenue, VAT).

Sends received goods back to a supplier. Decreases stock and reverses the GRNI accrual — the mirror of a Goods Receipt PO.

The reversal of a delivery — goods come back from the customer and stock increases. The physical counterpart to a delivery.

Reverses the value of an A/P Invoice — the supplier credits money back. Reduces Accounts Payable; may also decrease stock.

Reverses the value of an A/R Invoice — credits money back to the customer and unwinds the receivable and revenue.

An advance payment request against a future invoice — the customer pays up front, before goods or the final invoice.