  Let $\Bbb D$ be the open unit disk in the complex plane. In this note, for
the Carleson set $S(b,h)$ and the Carleson window $W(b,h)$ which are particular
subsets of $\Bbb D$, we find conditions on $h$ under which we have
$W(b,h/c)\subset S(b,h)\subset W(b,ch)$ for some $c>1$.
