Both native English speakers and English learners alike find it difficult to grasp the difference between "which" and "that." Part of the confusion that surrounds these two words stems from the fact that the two words are essentially interchangeable in British English. However, in American English, "which" and "that" are used to distinguish between restrictive and non-restrictive clauses and to modify the properties of pronouns. We know that sounds intimidating, but it's easier than you think. This podcast episode will walk you through the main differences between "which" and "that" to help you use the correct word every time.