Sentence:  Where boundary maintenance describes the boundaries or limits of the group , systemic linkage is defined `` as the process whereby one or more of the elements of at least two social systems is articulated in such a manner that the two systems in some ways and on some occasions may be <WSD>viewed</WSD> as a single unit . 
Meaning of the word marked with <WSD> tags:  keep in mind or convey as a conviction or view