Sentence:  Hidden behind <WSD>thickets</WSD> of acronyms and gorse bushes of detail, a new great game is under way across the globe. Some call it geoeconomics, but it's geopolitics too. The current power play consists of an extraordinary range of countries simultaneously sitting down to negotiate big free trade and investment agreements. 
Meaning of the word marked with <WSD> tags:  A dense aggregation of other things, concrete or abstract.