diff --git a/src/termdiagram/models/symbols.py b/src/termdiagram/models/symbols.py
new file mode 100644
index 0000000..7fd127e
--- /dev/null
+++ b/src/termdiagram/models/symbols.py
@@ -0,0 +1,8 @@
+from enum import Enum
+
+
+class SymbolType(Enum):
+    MODULE = "module"
+    CLASS = "class"
+    FUNCTION = "function"
+    METHOD = "method"