A has a solutionist character as it tries to solve problems related to languages in different disciplines.
B does not belong to a specific discipline, being applied to different areas such as Geography, Sociology and Psychology.
C aims to study languages from a theoretical approach based on postmodern ideals.
D s constantly transforming itself by thinking differently, beyond consecrated paradigms and crossing disciplinary boundaries.
E focuses on studying contemporary ways to teach foreign languages involving different disciplines.