What are Members in remote inspector?

Godot Version

v4.4.dev2.mono.official [97ef3c837]

Question

I’ve made a resource script:

class_name RoomResource extends Resource

@export var room_name: String
@export_multiline var room_description: String

@export var exits: Dictionary[Types.ExitDirs, Exit] = {}
@export var npcs: Array[NPC] = []
@export var items: Array[Item] = []

var room: Room

And made a resource, into which I’ve entered some variables shown here in the Inspector during debugging.

What is the difference between Members and RoomResource here? Why do both exist, and why is the latter empty? And why is Members/room_description not multiline?