Of course there is a difference! The essay is an organ department's public solicitation of relevant articles for an activity. There are no restrictions on topics, themes and formats. It's basically the same as composition, but it's easier to write because there are many fewer restrictions. You can write some articles praising and blessing according to the organizer's activities. The key to writing an essay notice is to make the content clear. Composition is composed of words. After people's thinking, they express a theme through language organization. Composition is divided into primary school composition, middle school composition and college composition (paper). The primary school composition is divided into three parts, and the number of words in the third grade composition is about 200 words. There are about 350~450 compositions in grade four and five, and about 500~550 compositions in grade six. Composition genres include: narrative, expository, practical and argumentative.