What does the yellow pill layout badge do?
Here is a list of layout badges:
Identifying badges on layout objects
I'm not sure what you mean by yellow pill.
There's a magnifying glass that can be yellow or green. The handle isn't always easy to see.
Green means searches with criteria specified in that field will be 'fast'. Entering search criteria into field with the yellow magnifying glass will result in searches that take longer to complete--usually fields from a related table or that are not indexed.
Retrieving data ...