It certainly depends on what you're writing. There isn't a specific purpose for writing about trains - you can include them in your story if you want to show an exotic, rather old-fashioned way to travel or a complex mechanical device or even a huge machine. There are many reasons you might write about trains. In nonfiction, of course, you'd write about them to explain them to your readers.
what is the purpose of research writing
Maybe the original purpose was to record events or to keep records of possessions etc. But the ultimate purpose of writing is to communicate.
what was authors purpose for writing the book oliver twis
The trait that deals with the purpose for writing is called "voice." Voice is the unique perspective and tone that an author brings to their writing, reflecting their purpose, personality, and point of view.
what are the five purpose of writing
The purpose of evaluative writing is to give your opinion of something and support that opinion. In evaluative writing you review something and explain what you liked and disliked about it and why.
One important purpose of pre-writing in the writing process is to help with brainstorming for ideas. Another purpose is to help clarify and edit to make the final draft more presentable.
The baker's purpose in writing the classification in The Plot Against People is a comic purpose given the satirical tone.
for history purpose
The author's primary purpose in writing this passage is to teach.
The primary purpose of a pen, if not used for writing, is typically for drawing, sketching, or marking on surfaces.
The six purposes of writing include: writing to explore, writing to entertain, writing to describe, writing to inform, writing to persuade, and writing to explain.