This is the 277th most frequent Hindi word.
हल
Solution; plow.
Here, 'हल' (hal) is used as a noun meaning 'solution'.
समस्या का हल बहुत आसान था।
The solution to the problem was very simple.
In this sentence, 'हल' (hal) refers to a noun meaning 'plow', a farming tool.
किसान ने खेत में हल चलाया।
The farmer plowed the field.
Here, 'हल' (hal) is used as a verb metaphorically meaning 'to solve'.