Definitions of write:

• verb:   communicate or express by writing

  Example: "Please write to me every week"

• verb:   record data on a computer
• verb:   communicate (with) in writing

  Example: "Write her soon, please!"

• verb:   communicate by letter
• verb:   mark or trace on a surface
• verb:   produce a literary work
• verb:   write or name the letters that comprise the conventionally accepted form of (a word or part of a word)
• verb:   write music
• verb:   have (one's written work) issued for publication

  Example: "How many books did Georges Simenon write?"