There are many types of writing, and it’s amazing how each style of writing is so different from other styles of writing. For example, technical writing tends to be more cut-and-dry and explanatory, whereas creative writing is all about good descriptions and telling a story via a character’s actions instead of explaining what is going on. And then there is legal writing, which has to be extremely precise versus business writing, which is more succinct.
If you are a freelance writer, then you will need to know how to write a variety of styles to please a variety of publications. Read it here.