In the quest for understanding and interpreting the world around us, knowledge serves as the cornerstone of human experience. It shapes our worldview, influences our decisions, and fuels our innovations. Distilling this vast concept, scholars have identified seven core types of knowledge that encapsulate the diverse ways in which we learn and comprehend information. This article delves into each type, offering definitions, extensive explanations, and illustrative examples to provide a comprehensive guide to the multifaceted nature of knowledge.

What is knowledge?

Defining knowledge is difficult, but, Knowledge can be seen as an awareness of facts, ideas, or situations. It includes familiarity with different subjects, people, and experiences. 

In a business context, knowledge refers to the sum of information, skills, experience, and expertise that individuals and the organization as a whole possess and utilize to achieve various goals. This knowledge is considered an intangible asset that's crucial for survival, success, and competitive advantage.

Here's how different aspects contribute to business knowledge:

  • Information: Data, facts, figures, industry trends, customer insights, etc.
  • Skills: Abilities and competencies of employees in diverse areas (marketing, finance, operations, etc.).
  • Experience: Accumulated learnings from past projects, challenges, and successes.
  • Expertise: Deep understanding and proficiency in specific domains relevant to the business.

The 7 types of knowledge

There are 7 types of knowledge that you need to be aware about:

  1. Explicit knowledge
  2. Implicit knowledge
  3. Tacit knowledge
  4. Procedural knowledge
  5. Declarative knowledge
  6. A Priori knowledge
  7. A Posteriori knowledge

We’ll discuss all of them in detail below with a definition, explanation and examples for each one of them. 

Explicit Knowledge

Explicit knowledge is information that is easily articulated, codified, and transmitted. It encompasses facts, descriptions, and data that can be readily conveyed and understood by others.

Explicit knowledge is structured and systematic, making it accessible for documentation, teaching, and learning. It is the type of knowledge found in books, databases, and manuals, characterized by its clarity and the ease with which it can be shared and disseminated. In organizations, explicit knowledge is often captured in procedural documents, best practices, and guidelines, facilitating operational efficiency and knowledge transfer.

The value of explicit knowledge lies in its capacity to be efficiently managed and leveraged. By codifying experiences and insights, individuals and organizations can preserve knowledge, build upon existing information, and facilitate innovation.

Examples of Explicit Knowledge

Instruction Manuals: A user manual for a smartphone that details its features, operation, and troubleshooting steps serves as an example of explicit knowledge. The manual codifies the device's functionalities in a clear, accessible manner, allowing users to understand and utilize the product effectively.

Scientific Papers: Research articles published in academic journals represent explicit knowledge. These papers detail the methodology, findings, and conclusions of scientific investigations, offering a structured and documented account of research endeavors. They facilitate the dissemination of knowledge within the scientific community and beyond, enabling further research and application.

Implicit Knowledge

Implicit knowledge is knowledge that we are not consciously aware of but that influences our thoughts and behaviors. It includes the unconscious assumptions, beliefs, and skills we have internalized through experience.

Implicit knowledge operates below the level of conscious awareness, shaping our perceptions, attitudes, and actions. It is acquired through exposure and socialization, often without direct instruction. This type of knowledge is fundamental to understanding human behavior and cognition, as it influences decision-making, problem-solving, and interpersonal interactions.

The significance of implicit knowledge lies in its pervasive impact on how we navigate the world. It includes the cultural norms and values we absorb, the unconscious biases we hold, and the intuitive skills we develop over time.

Examples of implicit knowledge

Language Fluency: A native speaker's grasp of their language's grammar and idiomatic expressions is a form of implicit knowledge. While they may not be able to explicitly explain the rules of grammar, they can use them correctly in communication.

Cultural Practices: The customs and practices of one's culture are often internalized as implicit knowledge. For example, the social norms governing behavior in public spaces are understood and followed without conscious thought, reflecting the internalization of cultural knowledge.

Tacit Knowledge

Tacit knowledge is personal, context-specific, and often unspoken knowledge that is difficult to transfer to others through writing or verbalization. It is acquired through personal experience and involves intangible factors, including personal beliefs, perspectives, and the capacity for intuitive understanding.

Tacit knowledge is deeply rooted in individual experiences, actions, and involvement in specific contexts. It encompasses skills, ideas, and experiences that individuals may not be consciously aware of but that influence how they perceive and interact with the world. This type of knowledge is crucial for the mastery of crafts, artistic expression, and decision-making in complex situations.

The significance of tacit knowledge lies in its role in innovation and problem-solving. It represents the "know-how" that underpins expert performance and creative endeavors. Tacit knowledge is often shared through social interactions, mentorship, and hands-on experience, rather than through formal instruction.

Examples of Tacit Knowledge

Artistic Skill: An artist's ability to create a compelling piece of art is an example of tacit knowledge. This includes understanding how different colors interact, the impact of light and shadow, and the expression of emotion through brushstrokes—all of which are learned through practice and experience, not easily articulated or taught.

Leadership Abilities: Effective leadership often relies on tacit knowledge. A seasoned leader's ability to motivate a team, navigate complex organizational politics, and make strategic decisions is rooted in experiences and insights that are difficult to codify but are critical for success.

Procedural Knowledge

Procedural knowledge, also known as "know-how," refers to the knowledge of how to perform various tasks and activities. It involves understanding the processes and sequences of actions required to achieve specific goals.

Procedural knowledge is action-oriented and is often acquired through practice and repetition. It encompasses the skills and methodologies that individuals use to accomplish tasks, ranging from simple physical actions to complex cognitive strategies. This type of knowledge is essential for the execution of tasks efficiently and effectively.

The value of procedural knowledge lies in its practical application. It enables individuals to develop competencies and expertise in their fields, contributing to improved performance and productivity. Procedural knowledge is often transmitted through demonstration, practice, and hands-on training.

Examples of Procedural Knowledge

Riding a Bicycle: The knowledge of how to balance, pedal, and steer a bicycle is a form of procedural knowledge. These skills are acquired through practice and become ingrained in the rider's actions, allowing them to ride a bike without consciously thinking about the steps involved.

Programming: Writing computer code involves procedural knowledge. A programmer knows the syntax and structure required to create functional software, but this knowledge is applied through the process of coding, debugging, and testing, which are learned through experience.

Propositional Knowledge

Propositional knowledge, or "know-that," refers to knowledge of facts or propositions. It is characterized by the understanding of specific pieces of information and the ability to articulate them as true or false statements.

Propositional knowledge is about knowing that something is the case. It is declarative and can be communicated directly through language. This type of knowledge is essential for the accumulation of factual information and forms the basis of much of our educational systems. It allows for the transfer of discrete pieces of information from one individual to another.

The importance of propositional knowledge lies in its foundational role in building understanding and reasoning. It provides the building blocks for more complex cognitive processes, such as analysis, synthesis, and evaluation.

Examples of propositional knowledge

Historical Facts: Knowing that World War II ended in 1945 is an example of propositional knowledge. This fact can be stated, shared, and verified as true, representing a clear piece of information about a specific event.

Scientific Facts: Understanding that water is composed of two hydrogen atoms and one oxygen atom is propositional knowledge. This fact about the composition of water can be clearly articulated and confirmed through scientific analysis.

A Priori Knowledge

A priori knowledge refers to knowledge that is gained independently of experience. This type of knowledge is foundational, necessitating no empirical evidence to be accepted as true. It is accessible through reason and logical analysis, embodying concepts and truths that are universal and necessary.

The concept of a priori knowledge challenges the notion that all knowledge stems from sensory experience. Instead, it posits that certain truths are innate or can be deduced through rational thought alone. A priori propositions are typically characterized by their self-evidence or by the impossibility of their negation without contradiction.

The significance of a priori knowledge lies in its foundational role in various fields, including mathematics, philosophy, and logic. It provides a basis for constructing logical arguments, developing mathematical theories, and exploring philosophical questions. By distinguishing a priori knowledge from empirical knowledge, we gain insights into the nature of reasoning, the structure of language, and the limits of human understanding.

Example of a priori knowledge

Mathematical Truths: Consider the statement "7 + 5 = 12." This truth does not require experimental verification. Through the application of mathematical principles and logical reasoning, one can deduce that the sum of seven and five must necessarily be twelve. This example highlights how a priori knowledge operates within the realm of mathematics, where propositions are validated through deduction rather than empirical evidence.

Logical Propositions: The statement "All bachelors are unmarried men" exemplifies a priori knowledge in the domain of logic. The truth of this proposition is derived not from gathering data about bachelors but from understanding the definitions of the terms "bachelor" and "unmarried." The statement is necessarily true, as its negation would result in a logical contradiction, underscoring the nature of a priori knowledge as independent of experiential verification.

A Posteriori Knowledge

A posteriori knowledge is knowledge that is derived from experience. Unlike a priori knowledge, which is independent of sensory experience, a posteriori knowledge relies on observation, experimentation, and sensory perception to ascertain truths about the world.

A posteriori knowledge emphasizes the role of empirical evidence in the formation of knowledge. It is foundational to the scientific method, where hypotheses are tested against observable realities. This type of knowledge is contingent, subject to revision in light of new evidence, and reflective of the complex, ever-changing nature of the empirical world.

The importance of a posteriori knowledge lies in its capacity to inform us about the specifics of the universe, from the laws of physics to the nuances of human behavior. It underlines the idea that our understanding of reality is shaped by our interactions with the environment, allowing for a nuanced comprehension that a priori knowledge alone cannot provide.

Examples of A Posteriori knowledge

Scientific Discoveries: The theory of gravity, as formulated by Isaac Newton, exemplifies a posteriori knowledge. Newton's observations of falling objects and the motion of celestial bodies led him to deduce the laws of gravity, which describe the attractive force between masses. This discovery was grounded in empirical observation, making it a quintessential example of a posteriori knowledge.

Historical Knowledge: Understanding historical events, such as the causes and consequences of World War II, relies on a posteriori knowledge. Historians gather evidence from documents, artifacts, and testimonies to construct narratives about the past. This process is inherently empirical, as it depends on the analysis of data gathered through experience.


The exploration of the seven types of knowledge reveals the complexity and richness of human understanding. From the innate truths accessible through reason (a priori knowledge) to the deeply personal and often unspoken insights gained from experience (tacit knowledge), each type contributes uniquely to our ability to interpret, navigate, and influence the world. Recognizing and appreciating these diverse forms of knowledge not only enriches our personal and collective wisdom but also underscores the importance of fostering a culture of learning and curiosity. In doing so, we equip ourselves with the tools to face the challenges of an ever-changing world with insight, creativity, and resilience.

By understanding the multifaceted nature of knowledge, we open the door to a deeper comprehension of both the world around us and the internal landscapes that shape our thoughts, beliefs, and actions. This journey through the types of knowledge serves as a testament to the complexity of human cognition and the boundless potential for discovery and growth that lies within the quest for understanding.

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