Parables means in the bible: 1. Most teachers in the Middle East have employed some kind of parable to instruct their students, although not as often as Jesus during His time in ministry. The Galilean ministry was a part. Mark 4:34 records that Jesus “without parable spake not unto them”. Matthew. We can learn why this is done at 13:13-15, Mark 4:12; Luke 8 10:10. The purpose was to obscure the meaning. It was to obscure the meaning. This is how the parable reveals the true nature of knowledge. Only the seeker finds.
(in Bible Dictionary)