Concrete 
To dream of concrete indicates that you have complete faith in a decision, belief, or opinion. It could also imply that you are unwilling to change your mind or accept other suggestions.
To see wet concrete in your dream implies that you need to confront a situation or concern that is still causing you distress.
Cake
To dream of a cake indicates that you need to learn to share and allocate your workload instead of trying to do everything yourself. Cakes also symbolize selfishness or the feeling of not getting your fair share. More positively, the dream may represent your accomplishments and achievements. Consider also the metaphor a 'piece of cake' or some situation that is easy.
To see a partially-eaten cake in your dream signifies missed and lost opportunities.
To dream that you are buying a cake suggests that you have accepted the rewards and recognition you're getting for your work. You are learning to be comfortable in the spotlight.
Yoke
To dream of a yoke symbolizes your inability to conform to the wishes and customs of others.
To see yourself yoking oxen in a dream signifies that your counsel and advice will be taken by a family member or friend.
To dream that your attempt to yoke oxen has failed symbolizes your concern and worry about a loved one.
Vault
To dream of a vault indicates a threat against your wealth and financial stability. There are people around you that may attempt to use charm or fraud to take it from you. It may also indicate your inner 'safe,' or the place where you keep your inner potential. When you dream of the safe, you need to consider looking at your true potential and putting it to good use.
To see an open vault is an indication that you may be rubbing your money in the noses of others.
To see a burial vault represents the personal sadness and grief you have experienced as a loved one passed away.
Pavement
To dream of pavement represents good comprehension of a situation. You are firmly holding on to your beliefs and decisions.
To dream of pavement may also be a sign of carefully planning a strategy to reach your goals.
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