What is a subject area in which students learn the fundamentals of foreign language such as vocabulary verb conjugation and grammar called?

The subject area where students learn the fundamentals of a foreign language, including vocabulary, verb conjugation, and grammar, is called foreign language or language arts.

You might also see it referred to as:

* Modern language

* World language

* Language acquisition

These terms all describe the same field of study, which focuses on learning the structure and use of a language other than the student's native language.