what are Identifiers that are used to check candidate duplicates in ORC to match Lowest match score?

Summary:

When configuring the Automatic Initiate Duplicate check action in CSP, what are the candidate Identifiers that are used to check duplicates.

Content (please ensure you mask any confidential information):

When configuring the Automatic Initiate Duplicate check action in CSP, we have a option to triggering the notification to recruiters when the minimum score is matched. In the minimum score drop down we have list of values like (Highest, Higher, High, Medium, Low, Lowest and none). In the Oracle documentation we just have (Highest, Higher, High, Medium, Low, and none).

What is the significance of Lowest?

What are the candidate Identifiers that are used to check duplicates for Lowest match score?