Twins can also communicate in unique ways through their shared experiences. Since they grow up together and go through many of the same things, they can reference those experiences in a shorthand way. For example, just saying a single word related to a childhood event can make the other twin recall the whole situation and understand what the first twin is trying to say.
Some twins develop their own private language when they are young. This language is a mixture of made - up words and expressions that only they can understand. It helps them communicate their feelings and thoughts more intimately, like when they want to share a secret without others knowing.