Help need for understanding fields in Salesforce

Hi All 

I have to map sugar crm fields as shown in below with salesforce fields api name 

but I am not sure if these fields are exist already or should I create new  in salesforce (we are using CPQ as well in salesforce)  

@Trailblazer Community Cove@* Salesforce Platform *@* Sales Cloud - Best Practices *@Admin Group, Tunis, TN