The Vietnamese word "dặm" has a couple of meanings and uses, which can be helpful to know as you learn the language.
As a noun (mile):
As a verb (to paint in watercolors):
When using "dặm" as a noun, remember it's related to distance. You can use it when giving directions, talking about travel, or exercising.
As a verb, you can use "dặm" when discussing art, specifically watercolor painting.
For the noun meaning of "mile":
For the verb meaning of painting: