Introduction. Usually an introduction to the essay: clearly states the topic that will be the focus of the essay. offers a preview of the main aspects that will be addressed or the particular point of view that will be considered and clearly articulates the position that will be discussed. This is known as the thesis statement. Consider this introduction: Best Essay Writing Sites 1. 99Papers - Best Overall Essay Writing Service With an average trustpilot rating. 6 positive reviews, this is one of the most reliable and.