diff --git a/notes b/notes
index da0da80..ed642ce 100644
--- a/notes
+++ b/notes
@@ -24,6 +24,18 @@ TOKENS
 	Key
 		strings only
 
+Implement stack data structure for pushing and pulling states when necessary
+
 LEXER STATES
 	START
 	ERROR
+	END
+	VALUE
+	OBJECT_KEY
+	     ---------
+	OBJECT        |
+	ARRAY         |
+	PRIMITIVES    |------> Can be values
+	STRING--------|------> Only one that can be an object key
+	NUMBER        |
+	     ---------