The term 'Rudiments of a Subject' can be summarized as the basic elements or fundamentals of a particular subject. It is often used to refer to the fundamental principles or concepts that form the basis of a particular field of study. For example, the rudiments of mathematics would include basic arithmetic, algebra, geometry, and trigonometry. The rudiments of a language would include grammar, syntax, and vocabulary. In general, the rudiments of any subject are the essential building blocks that must be mastered in order to gain a deeper understanding of the subject.