Another name for a drainage basin is watershed or even a catchment basin/area
<u>Explanation</u>:
It is a piece of land where water collects and later drains off into the same outlet. This water gets collected from rain, snowfall, underground water and nearby narrow streams. They form a hierarchical pattern by connecting with other basins.
The drainage divide is what divides basins from one another by forming topographical barriers.Close basin is one type where there is a single point known as the sink within the basin where all the water collects. This sink could a lake which is dry or an area where all water on surface is lost underground.
