Sentence:  Depicted , Cubist flatness is now almost completely assimilated to the literal , undepicted kind , but at the same time it reacts upon and largely transforms the undepicted kind - and it does so , <WSD>moreover</WSD> , without depriving the latter of its literalness ; rather , it underpins and reinforces that literalness , re-creates it . 
Meaning of the word marked with <WSD> tags:  in addition; furthermore, their quality is improving"; moreover, mice nested there"