Knowledge is often considered synonymous with terms like familiarity, understanding, wisdom, education, awareness, etc. Knowledge can be expressed in the form of data, scientific formulae, product specifications, manuals, universal principles, and so forth. Knowledge may be declarative or procedural.Declarative knowledge comprises a number of knowledge consisting of known facts and active goals.Declarative encoding in learning grammar means that the information, i.e. an explicit grammar rule, is provided usually through instruction.The aim is for a learner to develop the language structure. It enables a student to describe a rule of grammar and apply it in structured and pattern practice drills. It means establishing knowledge of grammar rules or patterns in the learners minds. In other words, here, students learn the form or pattern and the teacher should make sure that the form is established there in the students minds.Hence, it could be concluded that Declarative knowledge in learning grammar is knowledge about the form, describing and applying it later in structured practice.Additional InformationProcedural knowledge in learning grammar refers to understanding how a grammatical form functions in use and applying the same. It is the knowledge of how to perform a specific skill or task and is considered knowledge related to methods, procedures, or operation of equipment.