Can you please confirm the utility of some processes that are being scheduled by Oracle

Can you please confirm the utility of the below processes that are being scheduled by Oracle: Financials Maintenance Stream Purge Import and Export Data Files from Content Server Reset Public Sector Proxy User Credentials Job Sales DBML Model Training Job Oracle Secure Enterprise Search Crawler Oracle Secure Enterprise Search Index Optimizer Ingesting attachments to OSCS Update Supplier Keyword Search Index and Source to Settle Counts Offline Tasks Executor