For those who've stayed in these 2 hotels, could you clarify the room types for me?

GH Singapore

Grand Deluxe Twin / King - are these the most regular, unrenovated rooms?
Club Twin / King - are these the Grand Club rooms, newly renovated junior suites?
Grand Executive Suite - these are larger than junior suites, newly renovated?

GH Bangkok

What's the difference between Grand Deluxe King and Club King? Is it simply Club access or Club King rooms are better appointed?

Also,

MANY THANKS in advance.