The research entitled with (compositions of after and their implications in the Holy Quran), deals with the issue of the semantics of the word (after) alone and in isolation from the sentence and the text as a whole, then its significance within the sentence and the next texture. In the best form and the most beautiful meaning. The context plays a significant role in defining the meaning of the word, as both are complementary to the other, and their relationship is the relationship of the part to the whole, and sometimes the context often changes the meaning of a word according to what the linguist requires. From this sense, its connotations and structures in the Holy Quran are illustrated, as we clarified the significance of the word in isolation from the context, and then its significance in the context of the Quranic expression.