What Are The Different Types Of Knowledge?

Knowledge is broken down into many different categories—some broad, and some very specific—including explicit, implicit, tacit, procedural, contextual, and embodied knowledge, among others.

When you read the word “knowledge”, what is the first thing you think of? Do you think of a math equation on a chalkboard? A secret that you’re keeping for a friend? The recipe to your favorite meal? The latest updates in the political world? Whatever idea you summon in your mind, you’re not wrong! Even what you’re doing right now—the act of thinking about knowledge—is its own category, called metaknowledge.

Dividing up the knowledge contained and transported through your more than 80 billion neurons and roughly 100 trillion synapses may seem like a daunting task, but wiser minds have already categorized the complexity of knowledge in a number of clear-cut ways. Some divisions overlap, and there isn’t one universally accepted structure for knowledge, but the following article should provide some clarity.

Types Of Knowledge

Generally speaking, there are two types of knowledge—explicit knowledge and tacit knowledge.

Explicit knowledge is something that can be completely shared through words and numbers and can therefore be easily transferred. This knowledge takes many forms that you recognize, such as mathematical formulae, laws, scientific papers and texts, operational manuals, and raw data.

However, within those two broad divisions of knowledge are various other types, many of which will be outlined in greater detail below.

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Explicit Knowledge

At its core, explicit knowledge is a statement that can be easily verified as true or false. For example, there are 26 letters in the English alphabet is a true statement of explicit knowledge. Similarly, Force = mass*acceleration is a true statement that expresses our understanding of the universe, as this is a fundamental law of physics. Explicit knowledge can be transmitted accurately through words, numbers and symbols without being lost. However, as soon as it is read, listened to, or interpreted, there is the potential for misunderstanding, based on variations that may exist in the receiver’s prior knowledge!

Also Read: What Are The Different Learning Styles?

Tacit Knowledge

Tacit knowledge, more specifically is knowledge that cannot be expressed through data and symbols alone; it is a knowledge gained directly through experience and practice. A common example of tacit knowledge is how to tie your shoelaces, ride a bike, play a musical instrument or chop wood. When you begin learning how to do these things, it may seem difficult, if not impossible, but there is often a tipping point when it becomes natural and embedded into your mind. Following this, you may not even need to think about the knowledge, as it is summoned unconsciously the moment the nail needs to be hit by the hammer, for example.

This sort of knowledge is difficult to write down or express in numbers and figures, which is the case for explicit knowledge. Instead, tacit knowledge is knowledge that we often forget that we know! Transferring this knowledge is somewhat possible through verbalization, but ultimately it depends on an individual practicing and embedding the knowledge for themselves.

This knowledge is often seen in generations who have always grown up around computers, and seem to intuitively know how gadgets and gizmos work.

Emotional intelligence is also a part of this category; the ability to communicate, empathize, listen and be respected as a communicator takes practice, but once those skills are acquired, displaying emotional intelligence can become second nature.

Many of the following sections fall under this broad and somewhat abstract category of tacit knowledge, as they are best acquired and solidified through practice and personal experience.

Implicit Knowledge

This is a type of knowledge that could be written down and expressed in such a way, thus making it explicit knowledge, but it is often something that can be acquired quickly, through personal experience, and often with the help of another person.

For example, implicit knowledge may be the location of the closest supermarket to your house. Imagine that a new neighbor moves in and asks where she can go get groceries; you share implicit knowledge when you tell her about the grocery store two streets over.

This type of knowledge can usually be remembered without practice or repetition, and therefore never needs to become explicit knowledge outside of spoken language. The most significant difference between implicit and explicit knowledge is that implicit knowledge can often only be learnt by interacting with another person who possesses the knowledge.

Procedural Knowledge

Procedural knowledge is understanding how to apply explicit knowledge. Explicit knowledge can be acquired from a textbook, lecture, website or DIY YouTube video, but applying that knowledge to solve an equation, apply a new statistical tool, or design a rain-catchment system in your backyard is much more difficult.

Procedural knowledge, therefore, is the knowledge we need to apply explicit knowledge. Knowing that there are 26 letters in the English alphabet is great, but being able to sing the ABC’s requires the procedural knowledge that you develop at a young age.

Similarly, once you understand the components and steps of a scientific experiment, you may need to practice multiple times before the “procedure” becomes smooth and properly executed. A brand-new medical resident may have the explicit knowledge of heart surgery, but the Head of Surgery will have years of procedural knowledge to implement in the operating room.

Contextual Knowledge

Some knowledge is exclusively or particularly relevant in a given context, or specific to a given setting. For example, in most places in the world, you can probably recognize the difference between a street and a sidewalk, and you also may be able to determine if it is a one-way, two-way, or two-lane street.

However, if you are in America, you will know that cars will be driving on the right-hand side of the street, and drivers will be sitting on the left-hand side of the car. If you were in London, however, you would know that the cars would be driving on the left-hand side of the street, and the drivers would be sitting on the right-hand side of the car.

This is an acquired type of knowledge that may change or be affected by your context. Your understanding and knowledge of a street and its uses, versus the knowledge of road design in different countries.

Embodied Knowledge

The world is not only full of people who possess different types of knowledge, but also objects that “embody” knowledge. This is a bit of an abstract dimension of knowledge, but an important one to remember.

When you pull out of your driveway and get on the road, you are able to navigate to your destination based on embodied knowledge—the placement of stop signs, lane dividers, turning lanes, curbs, exit signs and mile markers. All of these objects contain embodied knowledge from experienced engineers and designers.

This type of knowledge exists everywhere, in the efficient layout of grocery stores and shopping malls to parking lot orientations, airport terminals.

Without background knowledge, people are often unable to take advantage of or even recognize such knowledge, A brand-new driver may be unable to notice all the nuances of a highway to navigate it safely, so it’s better to practice in empty parking lots or country roads, where there are fewer variables and less of a need for embodied knowledge.

Expert Knowledge

This is a division of knowledge that exists within a number of other categories mentioned above, but it’s an important one to understand. Expert knowledge, often referred to as domain knowledge, is the extremely specific and in-depth knowledge about a particular subject or field.

As a veteran biomolecular engineer, your domain knowledge in your field will likely be incredibly strong, and few others may match your level of proficiency and insight, but your general knowledge may be comparable to anyone else.

This is a niche type of knowledge that many of us possess on a certain level, although expressing it to others may be difficult, without possessing all the foundational knowledge and experience that goes along with it.

Distributed Knowledge

This is another subcategory, but an interesting type to be aware of. Distributed knowledge is knowledge that cannot be possessed by a single person, and must therefore be spread out between many actors or knowledge bases. For example, constructing an office building is an extremely complex task, requiring the knowledge and expertise of many different engineers, architects, regulators, and specialized laborers. Collectively, they all possess the knowledge to construct the office building, but no single individual could possess and be able to apply all that knowledge to accomplish the task.

A Final Word

This is by no means an exhaustive list, as there are many more domains of knowledge, many of which fit into these larger categories. For example, there is cultural knowledge, maternal knowledge, metaknowledge and conceptual knowledge, among so many others.  Exploring and expanding the different realms of knowledge is every individual’s journey of a lifetime, but if you have a firm understanding of the major types in this article, then you’re well on your way!

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