Thats what I´ve found. Not sure what exactly it is.
The Quad partnered with Gnibi - Southern Cross University's Indigenous School – to develop the theme for the mural portrait which celebrates intergenerational exchange of Bundjalung knowledge and language. The work features an Elder and a young person from the Widjubul Wiyabul clan of the Bundjalung nation to represent their significant role in the preservation and revitalisation of traditional language.
the plot thickens...