Sentence:  Third , the significance of the <WSD>vocational</WSD> courses is that those enrolled are keenly interested in the work ; they realize the relevance of what they are learning to their future careers , and this sense of purpose is carried over to the academic courses which they are studying at the same time . 
Meaning of the word marked with <WSD> tags:  of or relating to a vocation or occupation; especially providing or undergoing training in special skills