1. The problem is to understand how to make a map in a Cartesian rectangular plane. 2. A Cartesian plane consists of two perpendicular number lines: the horizontal x-axis and the vertical y-axis. 3. Points on the plane are located using coordinates $(x,y)$ where $x$ is the horizontal distance from the origin and $y$ is the vertical distance. 4. To create a map, plot points of interest with their corresponding $(x,y)$ coordinates. 5. Connect points if needed to represent paths or shapes. 6. Label the axes and points for clarity. 7. You can represent functions or geometric shapes by plotting relevant points or equations.