Hello @rcboiler, We need to see how Search Description works, It's good that you have updated Search Description on Item card but how does it work on Purchase order, for example. Unfortunately it doesn't work either on Item list page because we do not have a column for Search description on Item list page.
If we observe the Purchase Order, Item No. lookup, we do not have Search Description column, hence unfortunately it doesn't work.

Below is what Microsoft says about Search:
Business Central applies the search criteria to all fields that are visible on the page. If a field has been hidden, such as by using personalization, search won't consider this field. Search criteria are applied to fields only if their data type matches that of the search criteria. For example, searching for the term today will search all text and code fields for the literal value "today", and also any date fields where today is evaluated as an expression for the current date, but won't search in any numeric fields.
Solution:
In order to work that, we may have to see the below fieldGroups" defined on the Item table = 27
Anyhow, I did not tried to change this. Not sure if this can be changed to add Search Description field then, this field should appear on PO--> Item No. lookup
