Browse by Knowledge

Knowledge is organized sets of principles and facts applying in general domains. Open and explore the folders below to see the different categories and levels of information. Ratings on occupations are available at the most detailed level.

  • Knowledge of facts and principles related to the branches of learning concerned with human thought, language, and the arts.
    • English Language
      Knowledge of the structure and content of the English language including the meaning and spelling of words, rules of composition, and grammar.
    • Fine Arts
      Knowledge of the theory and techniques required to compose, produce, and perform works of music, dance, visual arts, drama, and sculpture.
    • Foreign Language
      Knowledge of the structure and content of a foreign (non-English) language including the meaning and spelling of words, rules of composition and grammar, and pronunciation.
    • History and Archeology
      Knowledge of historical events and their causes, indicators, and effects on civilizations and cultures.
    • Philosophy and Theology
      Knowledge of different philosophical systems and religions. This includes their basic principles, values, ethics, ways of thinking, customs, practices, and their impact on human culture.
  • Business and Management
    Knowledge of principles and facts related to business administration and accounting, human and material resource management in organizations, sales and marketing, economics, and office information and organizing systems.
    • Administration and Management
      Knowledge of business and management principles involved in strategic planning, resource allocation, human resources modeling, leadership technique, production methods, and coordination of people and resources.
    • Administrative
      Knowledge of administrative and office procedures and systems such as word processing, managing files and records, stenography and transcription, designing forms, and workplace terminology.
    • Customer and Personal Service
      Knowledge of principles and processes for providing customer and personal services. This includes customer needs assessment, meeting quality standards for services, and evaluation of customer satisfaction.
    • Economics and Accounting
      Knowledge of economic and accounting principles and practices, the financial markets, banking, and the analysis and reporting of financial data.
    • Personnel and Human Resources
      Knowledge of principles and procedures for personnel recruitment, selection, training, compensation and benefits, labor relations and negotiation, and personnel information systems.
    • Sales and Marketing
      Knowledge of principles and methods for showing, promoting, and selling products or services. This includes marketing strategy and tactics, product demonstration, sales techniques, and sales control systems.
  • Knowledge of the science and art of delivering information.
    • Communications and Media
      Knowledge of media production, communication, and dissemination techniques and methods. This includes alternative ways to inform and entertain via written, oral, and visual media.
    • Telecommunications
      Knowledge of transmission, broadcasting, switching, control, and operation of telecommunications systems.
  • Education and Training
    Knowledge of principles and methods for curriculum and training design, teaching and instruction for individuals and groups, and the measurement of training effects.
  • Knowledge of the design, development, and application of technology for specific purposes.
    • Building and Construction
      Knowledge of materials, methods, and the tools involved in the construction or repair of houses, buildings, or other structures such as highways and roads.
    • Computers and Electronics
      Knowledge of circuit boards, processors, chips, electronic equipment, and computer hardware and software, including applications and programming.
    • Design
      Knowledge of design techniques, tools, and principles involved in production of precision technical plans, blueprints, drawings, and models.
    • Engineering and Technology
      Knowledge of the practical application of engineering science and technology. This includes applying principles, techniques, procedures, and equipment to the design and production of various goods and services.
    • Mechanical
      Knowledge of machines and tools, including their designs, uses, repair, and maintenance.
  • Knowledge of principles and facts regarding diagnosing, curing, and preventing disease, and improving and preserving physical and mental health and well-being.
    • Medicine and Dentistry
      Knowledge of the information and techniques needed to diagnose and treat human injuries, diseases, and deformities. This includes symptoms, treatment alternatives, drug properties and interactions, and preventive health-care measures.
    • Therapy and Counseling
      Knowledge of principles, methods, and procedures for diagnosis, treatment, and rehabilitation of physical and mental dysfunctions, and for career counseling and guidance.
  • Knowledge of regulations and methods for maintaining people and property free from danger, injury, or damage; the rules of public conduct established and enforced by legislation, and the political process establishing such rules.
    • Law and Government
      Knowledge of laws, legal codes, court procedures, precedents, government regulations, executive orders, agency rules, and the democratic political process.
    • Public Safety and Security
      Knowledge of relevant equipment, policies, procedures, and strategies to promote effective local, state, or national security operations for the protection of people, data, property, and institutions.
  • Knowledge of principles and facts related to the production, processing, storage, and distribution of manufactured and agricultural goods.
    • Food Production
      Knowledge of techniques and equipment for planting, growing, and harvesting food products (both plant and animal) for consumption, including storage/handling techniques.
    • Production and Processing
      Knowledge of raw materials, production processes, quality control, costs, and other techniques for maximizing the effective manufacture and distribution of goods.
  • Knowledge of the history, theories, methods, and applications of the physical, biological, social, mathematical, and geography.
    • Biology
      Knowledge of plant and animal organisms, their tissues, cells, functions, interdependencies, and interactions with each other and the environment.
    • Chemistry
      Knowledge of the chemical composition, structure, and properties of substances and of the chemical processes and transformations that they undergo. This includes uses of chemicals and their interactions, danger signs, production techniques, and disposal methods.
    • Geography
      Knowledge of principles and methods for describing the features of land, sea, and air masses, including their physical characteristics, locations, interrelationships, and distribution of plant, animal, and human life.
    • Mathematics
      Knowledge of arithmetic, algebra, geometry, calculus, statistics, and their applications.
    • Physics
      Knowledge and prediction of physical principles, laws, their interrelationships, and applications to understanding fluid, material, and atmospheric dynamics, and mechanical, electrical, atomic and sub-atomic structures and processes.
    • Psychology
      Knowledge of human behavior and performance; individual differences in ability, personality, and interests; learning and motivation; psychological research methods; and the assessment and treatment of behavioral and affective disorders.
    • Sociology and Anthropology
      Knowledge of group behavior and dynamics, societal trends and influences, human migrations, ethnicity, cultures, and their history and origins.
  • Transportation
    Knowledge of principles and methods for moving people or goods by air, rail, sea, or road, including the relative costs and benefits.