The seeds on the path where the word is sown illustrate those who hear the message, but then Satan immediately comes along and takes away the word that's been sown in them.
because Herod knew John was a holy man who did what was right. Herod protected John and though what John said was very disturbing to him, he was still happy to hear what he had to say.
The seeds that fall on the stony ground are those who hear and welcome the message with joy but don't have any roots. They trust for a while but when difficult times come they give up.