Step 1

Add ito, ita to a word to make something SMALLER

          piedra     ---> stone
          piedrita          little stone

          hermano        brother
          hermanito      little brother

It is also very common to add ito, ita when referring to people's names in a loving or nicer way.

          Juana            Jean
          Juanita          Jeannie

Juan es un poco gordito.
      Juan is a little chubby.
Mi niñito. Mi mujercita.
      My little boy. My little woman.
Yo tengo tres gatitos.
      I have three kittens.
Mi hermanito tiene cinco años.
      My little brother is five years old.