mark (letters, words, or other symbols) on a surface, typically paper, with a pen, pencil, or similar implement.
he wrote his name on the paper
compose, write, and send (a letter) to someone.
I wrote a letter to Alison
compose (a text or work) for written or printed reproduction or publication; put into literary form and set down in writing.
I didn't know you wrote poetry
enter (data) into a specified storage medium or location in store.
Details are written to a file named after the IP address of the Ethernet on each ARM.
underwrite (an insurance policy).
The doctors found that no established insurer would write them a policy - at any price.