The term 'of the most BASIC kind' can be summarized by the word 'ELEMENTARY'. This word is derived from the Latin word 'elementarius', which means 'BASIC'. It is often used to describe something that is simple or fundamental. In the context of education, it is used to refer to the first level of schooling, such as kindergarten or first grade. It can also be used to describe a BASIC understanding of a subject or concept.