It means what you think it means, it’s your subconscious and your personal symbolism. Owl’s are unlikely to mean to me (Satolas, Athena etc) what they mean to you, or other people. They could be aspects of you, they could be a message they could be a memory of what you saw that week… too many options to let strangers make shit up for you.
To get started with dreamwork try the tutorial and into here.