- * - DB_READ: command reads from the database
- * - DB_WRITE: command changes the contents of the database
- * - AFS_READ: command reads information about the current audio stream
- * - AFS_WRITE: command changes the current audio stream
+ * - AFS_READ: read-only command of the audio file selector
+ * - AFS_WRITE: command changes state of the audio file selector
+ * - VSS_READ: command reads information about the current audio stream
+ * - VSS_WRITE: command changes the current audio stream