Remove remaining mentions of slots
diff --git a/include/psa/crypto.h b/include/psa/crypto.h
index 84026c9..5f80b13 100644
--- a/include/psa/crypto.h
+++ b/include/psa/crypto.h
@@ -334,6 +334,7 @@
 static void psa_set_key_algorithm(psa_key_attributes_t *attributes,
                                   psa_algorithm_t alg);
 
+
 /** Retrieve the algorithm policy from key attributes.
  *
  * This function may be declared as `static` (i.e. without external
@@ -365,6 +366,7 @@
 static void psa_set_key_type(psa_key_attributes_t *attributes,
                              psa_key_type_t type);
 
+
 /** Declare the size of a key.
  *
  * This function overwrites any key size previously set in \p attributes.
@@ -537,22 +539,20 @@
  * @{
  */
 
-/** Open a handle to an existing persistent key.
+/** Get a handle to an existing persistent key.
  *
- * Open a handle to a key which was previously created with psa_create_key().
+ * Get a handle to a key which was previously created with psa_create_key().
  *
  * Implementations may provide additional keys that can be opened with
  * psa_open_key(). Such keys have a key identifier in the vendor range,
  * as documented in the description of #psa_key_id_t.
  *
  * \param id            The persistent identifier of the key.
- * \param[out] handle   On success, a handle to a key slot which contains
- *                      the data and metadata loaded from the specified
- *                      persistent location.
+ * \param[out] handle   On success, a handle to the key.
  *
  * \retval #PSA_SUCCESS
  *         Success. The application can now use the value of `*handle`
- *         to access the newly allocated key slot.
+ *         to access the key.
  * \retval #PSA_ERROR_INSUFFICIENT_MEMORY
  * \retval #PSA_ERROR_DOES_NOT_EXIST
  * \retval #PSA_ERROR_INVALID_ARGUMENT
@@ -568,13 +568,14 @@
 psa_status_t psa_open_key(psa_key_id_t id,
                           psa_key_handle_t *handle);
 
+
 /** Close a key handle.
  *
  * If the handle designates a volatile key, destroy the key material and
  * free all associated resources, just like psa_destroy_key().
  *
  * If the handle designates a persistent key, free all resources associated
- * with the key in volatile memory. The key slot in persistent storage is
+ * with the key in volatile memory. The key in persistent storage is
  * not affected and can be opened again later with psa_open_key().
  *
  * If the key is currently in use in a multipart operation,
@@ -609,6 +610,7 @@
  * minimize the risk that an invalid input is accidentally interpreted
  * according to a different format.
  *
+
  * \param[in] attributes    The attributes for the new key.
  *                          The key size is always determined from the
  *                          \p data buffer.
@@ -665,23 +667,20 @@
 /**
  * \brief Destroy a key.
  *
- * This function destroys the content of the key slot from both volatile
+ * This function destroys a key from both volatile
  * memory and, if applicable, non-volatile storage. Implementations shall
- * make a best effort to ensure that any previous content of the slot is
+ * make a best effort to ensure that any previous content of the handle is
  * unrecoverable.
  *
  * This function also erases any metadata such as policies and frees all
  * resources associated with the key.
  *
- * If the key is currently in use in a multipart operation,
- * the multipart operation is aborted.
- *
- * \param handle        Handle to the key slot to erase.
+ * \param handle        Handle to the key to erase.
  *
  * \retval #PSA_SUCCESS
- *         The slot's content, if any, has been erased.
+ *         The handle's content, if any, has been erased.
  * \retval #PSA_ERROR_NOT_PERMITTED
- *         The slot holds content and cannot be erased because it is
+ *         The handle holds content and cannot be erased because it is
  *         read-only, either due to a policy or due to physical restrictions.
  * \retval #PSA_ERROR_INVALID_HANDLE
  * \retval #PSA_ERROR_COMMUNICATION_FAILURE
@@ -873,7 +872,7 @@
  * to another, since it populates a key using the material from
  * another key which may have a different lifetime.
  *
- * In an implementation where slots have different ownerships,
+ * In an implementation where handles have different ownerships,
  * this function may be used to share a key with a different party,
  * subject to implementation-defined restrictions on key sharing.
  *
@@ -903,8 +902,7 @@
  * The effect of this function on implementation-defined attributes is
  * implementation-defined.
  *
- * \param source_handle     The key to copy. It must be a handle to an
- *                          occupied slot.
+ * \param source_handle     The key to copy. It must be a valid key handle.
  * \param[in] attributes    The attributes for the new key.
  *                          They are used as follows:
  *                          - The key type and size may be 0. If either is
@@ -3397,7 +3395,7 @@
  *         this function will not succeed, even with a smaller output buffer.
  * \retval #PSA_ERROR_NOT_SUPPORTED
  *         The key type or key size is not supported, either by the
- *         implementation in general or in this particular slot.
+ *         implementation in general or in this particular location.
  * \retval #PSA_ERROR_BAD_STATE
  * \retval #PSA_ERROR_INSUFFICIENT_MEMORY
  * \retval #PSA_ERROR_INSUFFICIENT_STORAGE