What is a strength? How is it different from a skill?
According to Dependable Strengths, a strength is " . . . each person's special talent for excellence."
In other words . . .
talent a natural ability to do something well that can be developed by training
gift a natural ability, especially an artistic ability, or a social skill
aptitude a natural tendency to do something well, especially one that can be further developed
flair a natural ability to do something well, especially creative or artistic ability
knack a particular skill, especially one that might be innate or intuitive and therefore difficult to teach
genius exceptional intellectual or creative ability
-Encarta® World English Dictionary [North American Edition] ©