What is defined as having the qualities and skills to perform a task effectively?

The term "competence" refers to the ability to do something successfully or efficiently, emphasizing the combination of knowledge, skills, and abilities required to perform a specific task effectively. It encompasses both the inherent qualities a person possesses, such as their understanding and application of a subject, as well as the practical skills needed to execute tasks within that domain.

In the context of the question, competence indicates not just the possession of skills, but also the application of those skills in a productive manner. This can be seen in various fields, from professional settings to everyday life, where the outcome of a task significantly relies on an individual's competence.

Other options, while related, highlight slightly different aspects. Skillfulness often denotes a high degree of skill or ability in a specific area, whereas expertise suggests a deep level of knowledge gained through experience and education in a particular field. Proficiency captures the idea of being skilled but may not encompass the broader range of abilities necessary for effective task performance as well as competence does.