Explore the fundamental concepts of naming and ordering natural numbers in this 25-minute mathematics lecture. Delve into a simplified system for naming natural numbers, learn how to count using the set of natural numbers (Nat), and understand the differences between cardinal and ordinal usage of numbers. Examine the natural ordering of primitive natural numbers and the successor operation. Gain insights into the true nature of natural numbers as simple expressions of marks or strokes. Discover how these foundational concepts relate to data structures in mathematics and their practical applications in counting and ordering.