Another example of concrete poetry :

starstarstar
starsTArstar
starSTARstar
staRSTARStar
STARSTARSTAR
staRSTARStar
stARSTARSTar
sTArstarsTAr
starstarstar


A star inside a text saying "star".
Not a usual way to make a poem, but also a possibility.
Want to see another poem like this ? Go to This Is A Poem or take a look at Indifference.