diff --git a/src/JuliaFEM.jl b/src/JuliaFEM.jl
index 04075f2..e35e655 100644
--- a/src/JuliaFEM.jl
+++ b/src/JuliaFEM.jl
@@ -1,6 +1,14 @@
+# This file is a part of JuliaFEM. License is MIT: https://github.com/ovainola/JuliaFEM/blob/master/README.md
 module JuliaFEM
 
 # package code goes here
-test = 1
+type Node
+    node_id
+    coords
+end
+type Element
+    element_id
+    node_ids
+end
 
 end # module