diff --git a/crates/plotnik-lib/src/parser/core.rs b/crates/plotnik-lib/src/parser/core.rs
index c68b5efd..48095b45 100644
--- a/crates/plotnik-lib/src/parser/core.rs
+++ b/crates/plotnik-lib/src/parser/core.rs
@@ -25,7 +25,7 @@ const DEFAULT_RECURSION_FUEL: u32 = 4096;
 /// represented as `SyntaxKind::Error` nodes in the tree itself.
 #[derive(Debug, Clone)]
 pub struct Parse {
-    pub(super) green: GreenNode,
+    pub(super) cst: GreenNode,
     pub(super) errors: Vec<Diagnostic>,
 }
 
@@ -110,7 +110,7 @@ impl<'src> Parser<'src> {
             return Err(err);
         }
         Ok(Parse {
-            green: self.builder.finish(),
+            cst: self.builder.finish(),
             errors: self.errors,
         })
     }
diff --git a/crates/plotnik-lib/src/parser/mod.rs b/crates/plotnik-lib/src/parser/mod.rs
index b76efb8b..6a762cea 100644
--- a/crates/plotnik-lib/src/parser/mod.rs
+++ b/crates/plotnik-lib/src/parser/mod.rs
@@ -73,14 +73,14 @@ pub struct Parse {
 
 impl Parse {
     #[allow(dead_code)]
-    pub fn green(&self) -> &rowan::GreenNode {
-        &self.inner.green
+    pub fn as_cst(&self) -> &rowan::GreenNode {
+        &self.inner.cst
     }
 
     /// Creates a typed view over the immutable green tree.
     /// This is cheap—SyntaxNode is a thin wrapper with parent pointers.
     pub fn syntax(&self) -> SyntaxNode {
-        SyntaxNode::new_root(self.inner.green.clone())
+        SyntaxNode::new_root(self.inner.cst.clone())
     }
 
     pub fn errors(&self) -> &[Diagnostic] {