Currency locale and default language are two of the company settings that an administrator can configure in Salesforce. Currency locale determines how currency amounts are formatted and displayed in reports and other places. Default language determines the language used for labels, buttons, tabs, and other elements in Salesforce. References:
https://help.salesforce.com/s/articleView?id=sf.admin_supported_currencies.htm&type=5
https://help.salesforce.com/s/articleView?id=sf.admin_supported_languages.htm&type=5

Email-to-Case allows you to create cases from incoming emails. You need to enable this feature and set up routing addresses and case creation settings.
References: https://help.salesforce.com/s/articleView?id=sf.customizesupport_email_to_case.htm&type=5

Flow Builder and Process Builder are two automation tools that should be used to accomplish this request.
Flow Builder can be used to create a flow that defines the logic and actions for creating a renewal opportunity, such as setting the stage, close date, and amount. Process Builder can be used to create a process that triggers the flow when an opportunity is closed won. References:
https://help.salesforce.com/s/articleView?id=sf.flow_builder.htm&type=5
https://help.salesforce.com/s/articleView?id=sf.process_overview.htm&type=5

Quick actions allow you to initiate expense reports from Salesforce to an external HR system. Approval processes allow you to review the expense reports by managers and directors.
References: https://help.salesforce.com/s/articleView?id=sf.approvals_considerations.htm&type=5
https://help.salesforce.com/s/articleView?id=sf.quick_actions_overview.htm&type=5

Data Export Wizard allows administrators to export data from Salesforce in CSV files. It can be used to export data for backup purposes or to analyze data in external tools. Data Import Wizard is used to import data into Salesforce, not export. Data Loader is a desktop tool that can also export data, but it is more complex and requires installation. Report Builder is used to create reports in Salesforce, not export data. References:
https://help.salesforce.com/s/articleView?id=sf.data_export.htm&type=5