Window 
To dream of windows indicates your insight, vast possibilities, and bright hopes.
To see yourself looking out of a window symbolizes your consciousness, outlook, intuition, awareness, and point of view. It indicates that you are considering an important decision and may need guidance. Conversely, if you are looking at a window, you are searching your soul and trying to look within yourself.
To dream of a shut window implies abandonment and desertion.
To dream of broken and shattered windows signifies disloyalty and misery.
To dream of tinted windows symbolizes your great need for privacy and the things you do to get it. It implies that you have kept parts of yourself from those around you and have a great need to be ambiguous.
Closed
To dream that a door is closed symbolizes a chance or proposition that you have allowed to pass by. It can also imply fantasies or hidden thoughts regarding sex.
To dream that the store is closed suggests that you are unable or unwilling to accept other opinions or perspectives. You need to be more open-minded rather. It can also symbolize shortcomings or failures.
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Locked
To dream that you are locked out speaks of your feelings about being left out and unaccepted by your peers. This mirrors your inability to effectively channel your feelings and emotions. Think of which aspect of your waking life makes you feel locked out.
Barrier
To dream about a barrier symbolizes a hurdle in the way of your maturity. You might have trouble making your feelings known. The barrier could also be a symbol of not wanting something different to happen.
Parkour
To dream that you are doing parkour indicates that you feel capable and strong. You are nimble and can achieve your goals by working with your strengths and taking your own path.
To see someone perform parkour in a dream represents your desire to be as capable as that person.
Alternatively, you may feel intimidated or inadequate in comparison to others.
Pushpins
To dream of pushpins suggests the need to open your eyes. You may be looking far beyond the reaches of your vision and thus miss out on opportunities right before your eyes.
Dead End
Dreaming of a dead end that is marked by a wall is showing that it may be time to re-evaluate a situation in your waking life. A dead end can indicate that a current situation is not working out quite as you may have expected and a feeling of disappointment is likely if you are to continue. To dream of a dead end that is marked by trees or an open space implies that there is another way to go that will produce a fruitful outcome.
Barbed Wire
To dream about barbed wire signifies barriers. You may have a hard time expressing yourself.
To dream that you are trapped in barbed wire means that you feel hemmed in and confined in some way.
Obstacle Course
To dream of an obstacle course may signify that the path you have chosen is not the best one for you. At the very least, you may be making things harder for yourself than is necessary.
To dream of an obstacle course is a gentle reminder to practice acceptance, as resistance can be pointless and painful.