Bulk actions on accounts are used for making easy and asynchronous changes on multiple accounts.
This operation will recalculate roles for a given account (both directly on account and contract) and provision the account to its system. This is useful if you need to provision accounts only for certain accounts rather than all accounts for a given owner.
This operation will delete accounts from IdM and the target system. Provisioning will occur.
This operation will delete accounts from IdM but not the target system. Provisioning will NOT occur.