It'd be best if you looked it up on google, because then you could write it in your own words instead of having your teacher find out you got your answer off here, i don't want you to get in trouble
Technical writing<span> is a type of </span>writing<span> where the author is </span>writing<span> about a particular subject that requires direction, instruction, or explanation. This style of </span>writing<span> has a very different purpose and different characteristics than other </span>writing<span> styles such as creative </span>writing<span>, academic </span>writing<span> or business </span>writing<span>.</span>