* Skill: The proficiency or expertise in a particular area, acquired through learning and practice.
* Capacity: The inherent potential to perform a task or achieve a goal.
* Competence: The ability to perform a task effectively and efficiently.
* Potential: The inherent ability to develop or grow in a particular area.
Here are some examples of how "ability" is used:
* "She has the ability to speak three languages." (Skill and competence)
* "The child has the ability to learn quickly." (Capacity and potential)
* "His ability to solve complex problems is impressive." (Skill and competence)
* "They have the ability to make a difference in the world." (Potential and capacity)
In short, "ability" represents the power, skill, and potential that someone possesses to do something.