Sentence:  One of these days , I 'm going to organize a gigantic exhibition that will span everything that 's being painted these days , from extreme abstract expressionism to extreme photorealism , <WSD>and</WSD> then you 'll be able to see at a glance how much artists have in common with each other . 
Meaning of the word marked with <WSD> tags:  subsequently or soon afterward (often used as sentence connectors)