Technical skill involves process or technique knowledge and proficiency. Managers use the processes, techniques and tools of a specific area. Human skill involves the ability to interact effectively with people. Managers interact and cooperate with employees. Conceptual skill involves the formulation of ideas.
Managers understand abstract relationships, develop ideas, and solve problems creatively.
Thus, technical skill deals with things, human skill concerns people, and conceptual skill has to do with ideas. A manager's level in the organization determines the relative importance of possessing technical, human, and conceptual skills. Top level managers need conceptual skills in order to view the organization as a whole. Conceptual skills are used in planning and dealing with ideas and abstractions. Supervisors need technical skills to manage their area of specialty.