Usage patterns
空白を埋めるto fill in a blank
Please fill in the blanks on the document.
〈物〉に空白があるthere is a blank space in something
There's a blank space on the resume.
空白のままにするto leave something blank
Please leave this field blank.
〈事〉が空白になるsomething becomes a blank/void
My memory of the accident has become a complete blank.