What does haikus mean?

A haiku is a poetry style originating in Japan that features five syllables in the first line, seven syllables in the second line and five again in the third line, for a total of seventeen syllables.

Haikus are easy - (5 syllables)

If you can use your fingers - (7 syllables)

Without being seen - (5 syllables)

Oh... and they don't need to rhyme.