What is Writing?
Writing is (noun) 1. something which is written Please don’t phone, reply in writing. Put everything in writing, then you have a record of what has been done. 2. the writing is on the wall there are signs that a disaster is about to happen (informal.) The writing is on the wall for old-fashioned grocer’s shops. 3. writing done by hand His writing’s so bad I can’t read it. Synonym handwriting 4. the occupation of being a writer He earns his living from writing.
source: Easier English, Student Dictionary Upper Intermediate Level