Thx.
And now a s/s:
A:
This is the day/night system, and obviously the clock. Every hour it either gets darker or lighter, with noon and midnight being the lightest and darkest.
B:
This is the swimming system, when you go into the water it starts to count down, when you get to 0, you die, and it takes you to the last place where you were on land. 
Extra: This s/s was taken on Cynical, so that isn't our GUI, <3 to Osrs and !BoOj for letting us use Cynical.
And we are now hiring One GFX artist.
Here is the screenie: