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.
Difference Between Pinterest and Instagram. Pinterest and Instagram are two photo-sharing social networking sites where you can upload photos for other people to see. Although they basically have the same purpose, they are not identical. The main difference between Pinterest and Instagram is how people typically use them.