A Storefront is designed so that multiple pages share a common header and footer layout.
Which ISML tag should a developer use on the templates for these pages to avoid code repetition in the most effective way?

A Digital Developer suspects a logical error in a script.
Which action will help locate the error?

Which object type can a developer import using the Merchant Tools > Import $ Export module in Business Manager?

Which technical reports datapoint measures the performance of a controller's script execution if network factors and Web Adaptor processing is ignored?

Given the SFRA Controller below:

Why would a JavaScript debugger, that is stopped at line 06, fall to show the viewdata variable in the inspection tool?