Studying bilingualism and second-language acquirement through conversation and language acquisition analysis helps applied linguistics researchers develop theories about language learning. This information can then be used to shape language policy and more effectively teach students.

A course is the study of a particular topic within a wider subject area and is the foundation of a qualification. A typical course includes lectures, assessments and tutorials.

Online or distance learning refers to the use of electronic media and information and communication technologies (ICT) in education. With online learning, one can access education at any time and from any location with an available internet connection.