PL
Courses of Polish as a foreign language, in order to be effective, should be created in accordance with the principles of instructional design. This article sets out to apply the ADDIE approach to designing courses of foreign languages. It begins by addressing the matters of communicative language competence and foreign language acquisition. What follows is basic information about the ADDIE model, i.e. its consecutive phases and corresponding procedures. These fundamental issues must be taken into account by language course designers if they are to create courses that will be effective and satisfying for their recipients.