4). The attitude the author or narrator has toward the subject matter.
Explanation:
Authorial voice refers to the attitude or point of view of the author that is expressed by the writing style and usage of words for portraying different characters and their development throughout the text. In fact, the voice displays the author's intent to convey his/her thoughts on a particular subject matter that reflects his/her perceptions.
Every writer has his/her distinct writing style that differentiates them from the other writers as every writer carries a unique style to keep the readers engaged and gain their attention towards a specific thought. Thus,<em> the authorial voice could be best described as the attitude or opinion of the author towards a particular subject matter. For example: If we read 'feminist writings' we tend to see an inclination towards the women's rights and writer's perception about it while if we read 'post-colonial writings' we witness the author's attitude shifted towards the injustice faced by east</em>.