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.
(..) ...for the sole purpose of creating successful fusion. They are impervious to heat and magnetism. These smart arms are controlled by my brain through a neural link. Nanowires feed directly into my cerebellum... ...allowing me to use these arms to control fusion reaction... ...in an environment (..)2004 Spider-Man 2