A skill is an individual's ability to translate knowledge into action. Skill is not necessarily inborn. It can be developed through practice and through related learning. In order to be able to be successfully discharge his roles, manager should possess 3 major skills- Conceptual skill, Human relations skill and Technical skill.
(1) Conceptual skill: Managers must have the mental ability to analyze and diagnose complex situations. These tasks require conceptual skills. Decision making, for instance, requires managers to spot problems, identify alternatives that can correct them, evaluate those alternatives, and select the best one. Managers can be technically and interpersonally competent yet still fail because of an inability to rationally process and interpret information.
(2) Human relations skill: The ability to work with, understands, and motivates other people, both individually and in groups, describes human skills. Many people are technically proficient but interpersonally incompetent. They might be poor listeners, unable to understand the needs of others, of have difficulty managing conflicts. Since managers get things done through other people, they must have good human skills to communicate, motivates, and delegate.
(3) Technical skill: Technical skills encompass the ability to apply specialized knowledge or expertise. When you think of the skills held by professional such as civil engineers or oral surgeons, you typically focus on their technical skills. Through extensive formal education, they have learned the special knowledge and practices of their field. Of course, professionals don't have a monopoly on technical skills, and not all technical skills have to be learned in schools or formal training programs. All jobs require some specialized expertise, and many people develop their technical skills on the job.