Like the author said, writing is an unnatural skill, we know how to speak, to act after being born, so whole humans develops to speak and act, not all people learn to read and write. It sounds very interesting, right? Writing is a developmental process, copying familiar words and letters and having a lot of types or genres like reports, instructions, and narratives. Writing is also a physical act. The reason why Writing is a physical behavior is that we need to hold a pencil or a pen to write and we need to type any letters we want with our fingers through computer or mobile phones.