Translation guide
The English verb "write" covers many actions, from forming letters to composing texts and filling out forms. Japanese uses different verbs depending on what is being written and how.
To form letters, characters, or words on a surface with a pen, pencil, etc.
The most general verb for writing by hand. Covers writing letters, notes, memos, etc.
I write a letter.
I wrote my name in the notebook.
To create a written work, such as a story, report, or email.
To put information in writing for future reference.
To complete a form by writing required information.
To write a check, prescription, receipt, etc.
Used for issuing or writing certain documents like checks, tickets, or prescriptions. Literally means 'to cut', but idiomatic here.
To write a check.
The doctor wrote a prescription.
To issue or write an official document, ticket, certificate, etc.
Please write me a receipt.
To write computer code.
While 書く can be used for writing on a form, 記入する is more natural for filling in blanks. Using 書く in this context may sound like you are writing the form itself, not completing it.
To fill out an application form.
書く (かく) means to write characters or text. 描く (かく/えがく) means to draw or paint a picture. They are homophones but use different kanji. Be careful not to confuse them.
Write a letter.
Draw a picture.
He is currently writing a new book.
I wrote my address on the application form.