1)The stuff that pulls you down to Earth. In general, it's just something that pulls objects towards other objects that have a gravitational pull.
2)A type of phone made by Samsung.
1)Earth's moon rotates Earth 'cause it has a gravitational pull.
2)I got the Gravity for T-Mobile in grey and green. It's really reliable due to the fact I dropped it like 10 times a day and it doesn't freeze like Smart Phones.