diff --git a/examples/tui_00.rs b/examples/tui_00.rs
index 3c5f3d9..eae8dd9 100644
--- a/examples/tui_00.rs
+++ b/examples/tui_00.rs
@@ -39,6 +39,14 @@ struct State {
 }
 
 impl Interpret<Tui, Option<XYWH<u16>>> for State {
+    fn interpret_word <'a> (&'a self, to: &mut Tui, lang: &'a impl Symbol) -> Drawn<u16> {
+        match lang.src()? {
+            Some(":hello") => "hello".draw(to),
+            Some(":world") => "world".draw(to),
+            Some(":hello-world") => "Hello World!".draw(to),
+            _ => todo!()
+        }
+    }
     fn interpret_expr <'a> (&'a self, to: &mut Tui, lang: &'a impl Expression) -> Drawn<u16> {
         Ok(Some(if let Some(area) = eval_view(self, to, lang)? {
             area