Gross domestic product is the total sum of final goods and services produced in an economy within a given period which is usually a year
GDP calculated using the expenditure approach = Consumption spending by households + Investment spending by businesses + Government spending + Net export
The term being referred in the item above is called as "Accounts Payable". By the words being used in the term itself, it may be easily determined that this is a liability being owed to the supplier and should be payed in any terms, such as notes, check, or cash.