A teacher provides opportunities for learners to experiment with and explore both spoken and written language through various learning tasks and activities. Which approach or method is she primarily focusing on?

Consider the following features related to a language teaching method: (I) Grammar is taught prescriptively through the presentation and study of rules. (II) Practice is provided through translation exercises from the mother tongue to the target language and vice versa. (III) A distinctive feature is its focus on translating the sentence as the basic unit. (IV) Target language items are explained using mother tongue equivalents. Which language teaching method do these features describe?

Which language teaching approach emphasizes the importance of meaningful communication and authentic language use?