Definition of "writing"

writing¹

/ˈɹaɪtɪŋ/

noun
countable and uncountable, plural writings
1. (uncountable) Graphism of symbols such as letters that express some meaning.
  Quotations
  Early writing appeared in both societies around 3000 B.C.E., mainly for administrative purposes in Egypt and for accounting and trading in Sumer.
  2017, Anthony J. McMichael, Alistair Woodward, Cameron Muir, Climate Change and the Health of Nations, page 115
2. (countable) Something written, such as a document, article or book.
3. (uncountable) The process of representing a language with symbols or letters.
4. (countable) A work of an author.
5. (countable) The style of writing of a person.
6. (as a modifier) Intended for or used in writing.

writing²

/ˈɹaɪtɪŋ/

verb
1. present participle and gerund of write
  Quotations
  What are you doing? ― Um, I’m writing. ― You are writing! You are writing a lot! Audio (US)(file)
  2016, VOA Learning English (public domain)