http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Defining a contact role for an opportunity in Salesforce
Defining roles in Salesforce is important so everyone knows who's in charge of an account and who may just be a support person. This video explains how to define a contact's role for each opportunity in Salesforce.
Title from resource description page (viewed July 11, 2018).