SQL> col table_name format a30
SQL> col comments format a80
SQL> select table_name, comments from dict where table_name like 'DBA%' and lower(comments) like '%audit%' order by 1;
TABLE_NAME                     COMMENTS
------------------------------ --------------------------------------------------------------------------------
DBA_AUDIT_EXISTS               Lists audit trail entries produced by AUDIT NOT EXISTS and AUDIT EXISTS
DBA_AUDIT_MGMT_CLEANUP_JOBS    The view displays the currently configured audit trail purge jobs
DBA_AUDIT_MGMT_CONFIG_PARAMS   The view displays the currently configured audit trail properties that are defin
                               ed by the DBMS_AUDIT_MGMT PL/SQL package
DBA_AUDIT_MGMT_LAST_ARCH_TS    The Last Archive Timestamps set for the Audit Trail Clean up
DBA_AUDIT_OBJECT               Audit trail records for statements concerning objects, specifically: table, clus
                               ter, view, index, sequence,  [public] database link, [public] synonym, procedure
                               , trigger, rollback segment, tablespace, role, user
DBA_AUDIT_POLICIES             Fine grained auditing policies in the database
DBA_AUDIT_POLICY_COLUMNS       All fine grained auditing policy columns in the database
DBA_AUDIT_SESSION              All audit trail records concerning CONNECT and DISCONNECT
DBA_AUDIT_STATEMENT            Audit trail records concerning  grant, revoke, audit, noaudit and alter system
DBA_AUDIT_TRAIL                All audit trail entries
DBA_COMMON_AUDIT_TRAIL         Combined Standard and Fine Grained audit trail entries
DBA_FGA_AUDIT_TRAIL            All fine grained audit event logs
DBA_OBJ_AUDIT_OPTS             Auditing options for all tables and views with atleast one option set
DBA_PRIV_AUDIT_OPTS            Describes current system privileges being audited across the system and by user
DBA_STMT_AUDIT_OPTS            Describes current system auditing options across the system and by user
DBA_XS_AUDIT_POLICY_OPTIONS    Describes auditing options defined under all XS security specific
                               audit policies
DBA_XS_ENABLED_AUDIT_POLICIES  Describes all XS related audit policy's enablement to users
DBA_XS_ENB_AUDIT_POLICIES      Synonym for DBA_XS_ENABLED_AUDIT_POLICIES

DBA_OBJ_AUDIT_OPTS             Auditing options for all tables and views with atleast one option set
DBA_PRIV_AUDIT_OPTS            Describes current system privileges being audited across the system and by user
DBA_STMT_AUDIT_OPTS            Describes current system auditing options across the system and by user

SQL> col parameter format a30
SQL> col value format a30
SQL> select * from v$option where lower(parameter) like '%audit%' order by 1;
PARAMETER                      VALUE                              CON_ID
------------------------------ ------------------------------ ----------
Fine-grained Auditing          TRUE                                    0
Unified Auditing               FALSE                                   0