\usesymbols[win]
\starttext
\tfa
{\tfc Wingding}
\blank[2*big]
\showsymbolset[wingding]
\page
{\tfc Webdings}
\blank[2*big]
\showsymbolset[webdings]
\page
{\tfc Wingdng2}
\blank[2*big]
\showsymbolset[wingdngii]
\page
{\tfc Wingdng3}
\blank[2*big]
\showsymbolset[wingdngiii]
\stoptext