scope should be determined, there are common patterns. Especially
if one is writing a web application, the choice is pretty much established.
-A web application is the easiest case because such an appication is already
+A web application is the easiest case because such an application is already
constructed around a single, consistent scope - this is the **request**,
which represents an incoming request from a browser, the processing
of that request to formulate a response, and finally the delivery of that