[WD21] Difference of TABLE.. and TABLE[TABLE]..

I can't find this in the tutorial book or the concepts book.

We have code like
IF TABLE_Example[TABLE_Example].COL_Title <> "" THEN
//do something
END

We also have code like
IF TABLE_Example.COL_Title <> "" THEN
//do something
END

There seems to be no difference.

But trying to use TABLE_Example[TABLE_Example]..FontStrikeOut = True works,
trying to use TABLE_Example..FontStrikeOut does not work? (I'm getting an compile error: The 'FontStrikeOut' property does not apply to this type of control.)

So I'm missing something. What is the difference between the two?