It can be anything from washing the dishes to selling stocks.
Write a few paragraphs (or more if you wish) explaining some aspect of how to do what you do.
Reading also improves your writing, so if you have the tiniest desire to write well, read a wide variety of books in different genres.
You can accelerate your writing competence with some simple writing exercises.
Assume your reader is completely ignorant about the subject.
This writing shouldn’t sound like a dry instruction manual.
Whether you write fiction or non-fiction, your life is the laboratory for creating a great book or story.
If you can talk, you can write — even if you need to brush up on grammar and spelling.
Your inner creative muscle needs exertion to stay fit and strong — but writing exercises don’t need to be drudgery.
They can be fun and exciting as you see how much creative juice you have just waiting to be squeezed.