Define light-year: a unit of length in astronomy equal to the distance that light travels in one year in a vacuum or aboutâ¦ â light-year in a sentence a unit of length in astronomy equal to the distance that light travels in one year in a vacuum or about 5.88 trillion miles (9.46 trillionâ¦
Mass Payment Processing. The biggest difference between Business and Premier accounts on PayPal is the payment system. With a Business account, you can send mass payments to large groups of people at once; the Premier account requires that you handle payments individually. Mass payments might be used to pay affiliates, pay employees or transfer rebates.
The key difference between business casual and business professional is their level of formality; business professional is more formal than business casual and requires a suit. Business casual is a less informal style than business professional and you are not required to wear a suit. Business casual is one step down from business professional.