What is declarative knowledge?

Declarative knowledge refers to knowledge that can be expressed in Words or symbols and encompasses facts, concepts, and information that one can declare or describe. It includes understanding and recalling information about "what" things are, such as rules, theories, and definitions. This type of knowledge is often contrasted with procedural knowledge, which is about knowing "how" to perform tasks or skills. Examples of declarative knowledge include knowing historical dates, scientific principles, or vocabulary definitions.