Which code sample is required to use a custom tag provided in SiteGenesis in an ISML template?

Universal Containers wants to associate a region code value with an order to indicate the general area of its destination. This region code must be accessible whenever the order history is displayed.
What is required to accomplish this?

Consider the following information:
* A merchant has this three-tier category structure setup in the Storefront catalog.
- New Arrivals > Women > Clothing
* The category named Clothing has all the clothing items for Women and is merchandised.
* A Search Refinement named Newness is correctly configured for the Clothing category.
When a merchandiser views the Clothing category, the Search Refinement appears and works as expected.
However, the merchandiser does not see the Search Refinement when searching for Clothing via the Storefront search.
What is the reason?

A Digital Developer has identified that the code segment below is causing performance problems.

What should the Developer do to improve the code?

The Home-Show route uses this middleware chain:

The developer added Home.;s in another cartridge, which is before the original cartridge in the cartridge path, to extend that route but it does not have the middleware chain:

Assuming the code is correct on both functions, what is the expected result?