Airbag 
Dreaming about an air bag symbolizes the presence of protection and safety at the moment in your waking life.
Alternatively, if you dream about seeing the airbag deploy in a vehicle, it is a sign of warning that you're about to get hit with a major setback if you continue the current pace in your life.
Bumper
Noticing a bumper in a dream, such as a bumper on a car or truck, indicates either detachment from something or someone you feel is important, or interference with you getting somewhere as in 'bumper to bumper traffic'.
Dreaming of a bumper can also suggest a small mishap that caused you some frustration but in general, a bumper is about interference in your life.
Shelter
To dream that you are at a shelter indicates that you are experiencing an incident involving feelings of vulnerability. You are searching for refuge and protection. It also indicates that you are afraid of diversity and unfamiliarity.
Thimble
To dream about using a thimble shows a propensity to look out for others before taking care of yourself.
To lose a thimble in a dream is a prediction of financial depletion and other woes.
To dream about obtaining a thimble means that pleasant new relationships are on the horizon.
Demeter
To dream of Demeter is a powerful sign of impending marriage, possibly of someone close to you. There is also the likelihood of a fertile season ahead for you and your loved ones.
Bouncer
If you dream of a bouncer not letting you pass, it indicates your frustration in regards to being treated unfairly or discriminated against in your waking life. To see yourself as the bouncer in a dream, this symbolizes your desire for power and strength. If you dream that a bouncer is throwing you out of an establishment, this is a symbol of someone in your life preventing you from doing what you want.
Mattress
To dream of a mattress implies that you should concentrate on certain obligations for the near future.
To dream that you are sleeping on a new mattress indicates that you are comfortable and satisfied with your current situation.
Security
To dream that you have a sense of security implies that you harbor feelings of vulnerability. The dream is attempting to counteract this sense of helplessness. You feel as if you are being threatened in every aspect of your life.
Umbrella
To dream of an umbrella represents that by putting up a safeguard, you are trying to avoid your emotions. The umbrella is also representative of emotional refuge. If the umbrella in your dream leaks, it represents that you are not equipped to face your own tribulations.
To dream that you are unable to open the umbrella while it is raining signifies that you are facing your feelings and you are permitting your feelings to surface.
Watching
If you dream that you are watching an event could be a representation that you are unable to move forward. It may also mean that your feelings towards an event in your waking life are ambivalent. You do not care about the outcome.