It is always advisable to have good exception handling mechanism in place before you start implementing any business flow using Logic Apps. Logic Apps provide a robust way to handle exception within the workflow, and later sections are dedicated with some common ways to do exception handling if the workflow do not go with happy design flow.
You can get more information on Microsoft documentation shared in the following links:
As discussed in the previous section, the scope allows you to group actions together. So, it primarily acts as a logical grouping of actions, which is useful for organizing your logic app actions and for performing aggregate evaluations on the status of a scope.
The scope itself has its own status, which it receives...