gh-95235: Document undocumented parameters in sqlite3 functions and methods (GH-95236)

Co-authored-by: CAM Gerlach <CAM.Gerlach@Gerlach.CAM>
(cherry picked from commit ac6a94c6)

Co-authored-by: Erlend Egeberg Aasland <erlend.aasland@protonmail.com>

Doc/library/sqlite3.rst

@@ -487,7 +487,7 @@ Connection Objects
 
    .. method:: set_authorizer(authorizer_callback)
 
-      This routine registers a callback. The callback is invoked for each attempt to
+      Register callable *authorizer_callback* to be invoked for each attempt to
       access a column of a table in the database. The callback should return
       :const:`SQLITE_OK` if access is allowed, :const:`SQLITE_DENY` if the entire SQL
       statement should be aborted with an error and :const:`SQLITE_IGNORE` if the
@@ -508,7 +508,7 @@ Connection Objects
 
    .. method:: set_progress_handler(progress_handler, n)
 
-      This routine registers a callback. The callback is invoked for every *n*
+      Register callable *progress_handler* to be invoked for every *n*
       instructions of the SQLite virtual machine. This is useful if you want to
       get called from SQLite during long-running operations, for example to update
       a GUI.
@@ -523,8 +523,8 @@ Connection Objects
 
    .. method:: set_trace_callback(trace_callback)
 
-      Registers *trace_callback* to be called for each SQL statement that is
-      actually executed by the SQLite backend.
+      Register callable *trace_callback* to be invoked for each SQL statement
+      that is actually executed by the SQLite backend.
 
       The only argument passed to the callback is the statement (as
       :class:`str`) that is being executed. The return value of the callback is
@@ -547,8 +547,10 @@ Connection Objects
 
    .. method:: enable_load_extension(enabled, /)
 
-      This routine allows/disallows the SQLite engine to load SQLite extensions
-      from shared libraries.  SQLite extensions can define new functions,
+      Enable the SQLite engine to load SQLite extensions from shared libraries
+      if *enabled* is :const:`True`;
+      else, disallow loading SQLite extensions.
+      SQLite extensions can define new functions,
       aggregates or whole new virtual table implementations.  One well-known
       extension is the fulltext-search extension distributed with SQLite.
 
@@ -565,9 +567,9 @@ Connection Objects
 
    .. method:: load_extension(path, /)
 
-      This routine loads an SQLite extension from a shared library.  You have to
-      enable extension loading with :meth:`enable_load_extension` before you can
-      use this routine.
+      Load an SQLite extension from a shared library located at *path*.
+      Enable extension loading with :meth:`enable_load_extension` before
+      calling this method.
 
       Loadable extensions are disabled by default. See [#f1]_.
 
@@ -704,8 +706,10 @@ Cursor Objects
 
    .. method:: execute(sql, parameters=(), /)
 
-      Execute an SQL statement. Values may be bound to the statement using
-      :ref:`placeholders <sqlite3-placeholders>`.
+      Execute SQL statement *sql*.
+      Bind values to the statement using :ref:`placeholders
+      <sqlite3-placeholders>` that map to the :term:`sequence` or :class:`dict`
+      *parameters*.
 
       :meth:`execute` will only execute a single SQL statement. If you try to execute
       more than one statement with it, it will raise a :exc:`Warning`. Use
@@ -720,7 +724,7 @@ Cursor Objects
 
    .. method:: executemany(sql, seq_of_parameters, /)
 
-      Execute a :ref:`parameterized <sqlite3-placeholders>` SQL command
+      Execute :ref:`parameterized <sqlite3-placeholders>` SQL statement *sql*
       against all parameter sequences or mappings found in the sequence
       *seq_of_parameters*.  It is also possible to use an
       :term:`iterator` yielding parameters instead of a sequence.
@@ -735,7 +739,7 @@ Cursor Objects
 
    .. method:: executescript(sql_script, /)
 
-      Execute multiple SQL statements at once.
+      Execute the SQL statements in *sql_script*.
       If there is a pending transaciton,
       an implicit ``COMMIT`` statement is executed first.
       No other implicit transaction control is performed;