Gummy they received a purchase order for 2,000lbs of an unknown product. That is called a single order.
Had they received some ongoing order for 2,000lbs a month for 36 months that would be a revenue stream.
There is no indication that by providing this 2,000lbs that they will or will not receive any future business. One can speculate til the cows come home but there is no guarantee of any future order.