--- /dev/null
+Delivery
+--------
+Describe how functions are packaged into run-time components.
+For some components a block diagram may be useful.
+
+.. blockdiag::
+
+
+ blockdiag layers {
+ orientation = portrait
+ a -> m;
+ b -> n;
+ c -> x;
+ m -> y;
+ m -> z;
+ group l1 {
+ color = blue;
+ x; y; z;
+ }
+ group l2 {
+ color = yellow;
+ m; n;
+ }
+ group l3 {
+ color = orange;
+ a; b; c;
+ }
+
+ }
+
+