anchor.diff:  
   ==== How to interpret ?
   
  -The order in which the policies appear in the timeline reflects the exact order in which they have been executed by the gatewau at runtime. 
  +The order in which the policies appear in the timeline reflects the exact order in which they have been executed by the gateway at runtime.
   
  -Note that *this order may differ* from the order in which policies where placed in the Policy Studio during the design phase. 
  +Note that this order *may* differ from the order in which policies where placed in the Policy Studio during the design phase.
   
   This is due to a performance optimization applied at runtime on the the policy chain. The gateway always executes policies interacting with the HTTP Header part of the request (onRequest, onResponse) before policies interacting with the body part of the request (onRequestContent, onResponseContent).
   
  
positive.code: 
  image:{% link images/apim/3.x/api-publisher-guide/design-studio/debug-mode/debug-mode-example-empty.png %}[Debug Mode empty example]
  
  The embedded HTTP client let's you configure different attributes of your request:
  
  * *HTTP method* to select the HTTP verb (e.g., `GET`, `POST`, `PUT`, etc.).
  * *Path* to test a specific subpath and provide query parameters. 
  
negative.code: 
  ==== How to navigate ?
  
  You can scroll through the list of policies via the timeline. You can also quickly access a specific policy by clicking on it in the quick access timeline.
  
  image:{% link images/apim/3.x/api-publisher-guide/design-studio/debug-mode/debug-mode-timeline.png %}[Debug Mode timeline]
  
  By clicking *Request Input* or *Request Output*, you can view the global transformation on your request and difference between what has been received by the gateway and what has been sent to your backend.
  
  By clicking *Response Input* or *Response Output*, you can view the global transformation on your response and difference between what has been received from the backend and what has been sent back to your client app.
  
  image:{% link images/apim/3.x/api-publisher-guide/design-studio/try-it/try-it-example.png %}[Try it example]
  
  