Example business forms could be. RFQ, Quotation, Customer order form, Invoice, Shipping doc, Sales return processing form, Purchase order (supplier), Goods recieved document (inventory), Supplier invoice (bill), Stock transfer (from to inventory locations), AMC (service contract), Service request form, Material request form (purchase indent), Expense statement, Credit note, Debit note, Journal voucher, Payment voucher, Receipt voucher.
PS: If this is not the sort of inputs that this topic requires please mention.

