Sentence:  These thirty-four <WSD>toa</WSD> constructions, made from urban debris and ceremoniously installed in a circular (or sometimes oval) bed of sand, bring together the multiple themes centred on reclamation that preoccupied his life. 
Meaning of the word marked with <WSD> tags:  A small painted artifact made by the Diyari people of Australia, believed to have been used as place markers or signposts.