you seem to ask about your dreams a lot nodoka, it's better to interpret them yourself. while many symbols mean the same thing, different people feel differently about things. my aunt was terrified of birds, so seeing a dove would harbour a different meaning for her than most. same goes for everyone.
dreammoods.com it has a ton of interpretations and information to help you get started. it doesn't have all interpretations, so you'll need to use your own judgement, but it's better than nothing.