This paper explores how the notion ‘discourse’ is available with respect to contemporary Korean Education Curriculum. Among a variety of definitions of discourse, each definition is relevant in its own right, but none of them is complete for the Curriculum. In confrontation with the concept ecology within the sub-disciplines of the Korean Education, this paper launches an alternative definition(Discourse is a sequence by linguistic selection; which is a sequence connected by linguistic selection) and suggests that the alternative definition is indeed instrumental for keeping up with both micro- and macro- aspects of discourse phenomena. It is further noted that the notion ‘discourse’ must be crossed with the context-driven approach of the 2007 Curriculum. In order to refine the connectivity of discourse, a general meta concept has been employed under the rubric of ‘linguistic selection.’ The resources which live on linguistic selection have been called upon in terms of four kinds of sequence, i.e. form structure, content structure, sequence organization, and inter-texts. The linguistic selection by discourse participants is to showcase the structure and process of discourse sequence connectivity. In this regard, discourse can be characterized as being a sequence connected by the patterns of linguistic selection.