Information-Gap Activities An important aspect of communication in CLT is the notion of information gap. This refers to the fact that in real communication, people normally communicate in order to get information they do not possess. This is known as an information gap. More authentic communication is likely to occur in the classroom if students go beyond practice of language forms for their own sake and use their linguistic and communicative resources in order to obtain information. In so doing, they will draw available vocabulary, grammar, and communication strategies to complete a task. The following exercises make use of the information-gap principle: