There are various ways to filter your highlights on Insights.
On your Code Menu, you will see three horizontal lines beside every item listed here. Navigate over to the item you would like to filter your highlights with and select the three horizontal lines.
Select "Show coded entries".
You can identify what filters have been placed on your catalog by the eye icon that will appear next to the item you have selected to filter by. You can simply click on the eye to remove this filter.
Filtering by code
Filtering by conversation
Filtering by highlighter