Regarding Submit button

Hello [mention:d7d669d78ce84e26943b9fd9b575165d:e9ed411860ed4f2ba0265705b8793d05] 

Are you trying to edit the existing record data or add any related /additional information to the record from the summary?

If yes, please use a Related Record Action. That will do the work.

In general, the only way to direct where a user is "returned to" after any particular task or action, is where they started from.  If they open a task or start a process / record action from a certain site page / dashboard, when that task or process concludes, that's where they'll return to after it's over.  Konduru's suggestion is thus the correct one in general, that is, if you want a user to be returned to a summary dashboard following an update, then you'll want to allow users to start the "update" action / record action from that location.  But there's not any particular way to manually "redirect" or "return" users to any specific place following actions like this.