Sentence:  One of these days , I 'm going to organize a gigantic exhibition that will <WSD>span</WSD> everything that 's being painted these days , from extreme abstract expressionism to extreme photorealism , and 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:  to cover or extend over an area or time period