1. **Stating the problem:** We need to describe natural numbers and represent them visually. 2. **Definition:** Natural numbers are the set of positive integers starting from 1, 2, 3, and so on. They are used for counting and ordering. 3. **Important rules:** - Natural numbers do not include zero or negative numbers. - They are infinite and discrete. 4. **Representation:** We can represent natural numbers on a number line starting at 1 and moving to the right. 5. **Visual explanation:** Each point on the line corresponds to a natural number, spaced evenly. 6. **Summary:** Natural numbers = $\{1, 2, 3, 4, 5, \ldots\}$, used for counting and ordering.