Update getting-started.md

This would have been very helpful to me when first approaching Bazel.

Closes #8215.

PiperOrigin-RevId: 246185728
diff --git a/site/docs/getting-started.md b/site/docs/getting-started.md
index 17d89ff..3e3bb01 100644
--- a/site/docs/getting-started.md
+++ b/site/docs/getting-started.md
@@ -34,6 +34,9 @@
 
 *   [Tutorial: Build an iOS Application](tutorial/ios-app.html)
 
+If you find yourself unsure of how Workspace, Packages, Targets and Rules
+relate to each other, jump to the [Bazel Concepts](build-ref.html) page.
+
 Once you are familiar with the basics, you can try the rules for
 [other languages](be/overview.html).