diff --git a/Documentation-ConceptGuide.-.md b/Documentation-ConceptGuide.-.md
new file mode 100644
index 0000000..83d32d1
--- /dev/null
+++ b/Documentation-ConceptGuide.-.md
@@ -0,0 +1,17 @@
+# Rattail Concept Guide
+
+This guide tries to address the "big picture" of what Rattail is, and why you should care (or not).
+
+Unfortunately this guide is not very complete!  Ironic, I know.
+
+So far it has received the following treatments:
+
+ * [[TheBigTour]] - a one-page tour of the entire project
+ * [[Overview]] - albeit a brief one, but maybe that's a good thing
+ * [[FAQ]] - more of an "Overview FAQ" really
+
+And of course you may want to see the concept graphic at https://rattailproject.org/
+
+Here are some features which have been given some special treatment:
+
+ * [Receiving Workflow](Documentation-ConceptGuide-Receiving.-)