An inference is something you decide that it is true on the basis of information you have, while the on the other hand, conclusion is basically the ending of something. A conclusion often involves making a summary of the main points already made. Or it involves making a final important piece of information such as a comment, a suggestion or even inference. This unit discusses the nature of inference and conclusion and the language used in them. In addition, types of conclusion were presented and exemplified. Practice at the sentence, paragraph and longer discourse was also give to help you develop your writing ability in this area.