System Tables Views Oracle PLSQL

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SQL> -- USER_CATALOG view also has a synonym defined.
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SQL> SELECT * FROM USER_CATALOG where rownum < 10;
TABLE_NAME                     TABLE_TYPE
------------------------------ -----------
ACCESS$                        TABLE
ALERT_QT                       TABLE
ALL_ALL_TABLES                 VIEW
ALL_APPLY                      VIEW
ALL_APPLY_CONFLICT_COLUMNS     VIEW
ALL_APPLY_DML_HANDLERS         VIEW
ALL_APPLY_ENQUEUE              VIEW
ALL_APPLY_ERROR                VIEW
ALL_APPLY_EXECUTE              VIEW
9 rows selected.
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