Looping,While true do,for do,while wait do meaning?

Here are some examples for your questions..

--The while true do loop is a loop that always repeats the same thing; until break

--The for is used in numerous ways.. Here is an example

for i = 1,10,0.1 do wait()
game.Workspace.Base.Transparency = game.Workspace.Base.Transparency -i
end

--What that did is it subtracted the Base's transparency by 0.1 which is found in the 'for'

--You can also do

for i = 1,#game.Players:GetPlayers() do
print(i)
end

--This prints the amount of the players in numbers.

--If you are trying to make the BrickColor change, try this..

while true do
game.Workspace.Base.BrickColor=BrickColor.new(math.random(1,255))
wait()
end

--or

while wait() do
game.Workspace.Base.BrickColor=BrickColor.new(math.random(1,255))
end

--or in another format

for i = 1,math.huge do wait()
game.Workspace.Base.BrickColor=BrickColor.new(math.random(1,255))
end

For more info and help check the Wiki and Loops

Hope I helped!

-BloxSimple