Their research shows a 'link' between high cholesterol and an increased risk of heart attacks. [=shows that high cholesterol causes an increased risk of heart attacks]
Your raise 'is linked to' your job performance. [=your raise is related to your job performance; the size of your raise is related to how well you do your job]
The elderly couple 'linked arms' [=kept their bent arms hooked together at the elbow] as they walked down the street.
(..) Did you find anything in the ? Nothing I recognize. So Andy said the third victim was a professor at Stanford? - What's the link? - He thinks it has something to do with what they're working on. Biogenetics. A professor, a geneticist, a lab technician... (..)1998 TvShow: Charmed Title: The Truth Is Out There... and It Hurts Season: 1 Episode 8