What is the meaning of "normal course of business"?

vanaja (Article) (7 Points)

26 June 2017  

As per Revised Schedule III -  A payable shall be classified as 'trade payable' if it is in respect of amount due on account of goods purchased or services received in the normal course of business. 

Should Rent payable and Legal fee payable (both are indirect expenses) to be considered as services received in the normal course of business or not? Should it be classified under Trade Payable or Other Current Liabilities?