docs: clarify the receiver field in DDS and utils plugin

docs/dds.md

@@ -52,7 +52,7 @@ One payload per line, each payload contains the following fields separated by co
 | Field    | Description                                                                                                     |
 | -------- | --------------------------------------------------------------------------------------------------------------- |
 | kind     | The kind of this message                                                                                        |
-| receiver | The instance ID that receives this message; if it's `0`, broadcasts to all instances                            |
+| receiver | The remote instance ID that receives this message; if it's `0`, broadcasts to all remote instances              |
 | severity | The severity of this message; if it's non-zero, indicates a [static message](/docs/plugins/utils#ps.pub_static) |
 | sender   | The sender ID of this message                                                                                   |
 | body     | The body of this message, which is a JSON string                                                                |

docs/plugins/utils.md

@@ -331,14 +331,14 @@ Since the `kind` is used globally, to add the plugin name as the prefix is a bes
 ps.pub_to(1711957283332834, "greeting", "Hello, World!")
 ```
 
-Publish a message to a specific instance with `receiver` as the identifier:
+Publish a message to a specific instance with `receiver` as the ID:
 
 - If the receiver is the current instance (local), and is subscribed to this `kind` through `sub()`, it will receive this message.
 - If the receiver is not the current instance (remote), and is subscribed to this `kind` through `sub_remote()`, it will receive this message.
 
 With:
 
-- `receiver` - Required, the identifier of the receiver, which is a integer; if it's `0` then broadcasting to all instances
+- `receiver` - Required, ID of the remote instance, which is a integer; if it's `0` then broadcasting to all remote instances
 - `kind` - The same as `pub()`
 - `value` - The same as `pub()`
 
@@ -348,15 +348,15 @@ With:
 ps.pub_static(10, "greeting", "Hello, World!")
 ```
 
-Broadcast a static message to all instances subscribed to this `kind` through `sub_remote()`:
+Broadcast a static message to all remote instances subscribed to this `kind` through `sub_remote()`:
 
 - `severity` - Required, the severity of the message, which is an integer with a range of 1 to 255
 - `kind` - The same as `pub()`
 - `value` - The same as `pub()`
 
 The message will be stored as static data to achieve state persistence, and when a new instance is created, it will receive all static messages broadcasted by `sub_remote()` before in descending order of `severity` to restore its state from the data.
 
-If you simply want to broadcast a message to all instances without the need for the message to be persisted, use `ps.pub_to()` with receiver `0` instead.
+If you simply want to broadcast a message to all remote instances, without the need for the message to be persisted, use `ps.pub_to()` with receiver `0` instead.
 
 ### `sub(kind, callback)` {#ps.sub}