Graduation 
To dream that you are at a graduation signifies your accomplishments and a smooth transition to the next level of your abilities. You are confident about moving ahead so that you can do more with your life.
Ultrasound
To dream of witnessing an ultrasound suggests that you want information about someone that may not be your right to have. You may not be entirely satisfied with the information that you do have and feel the need to know more.
Dreaming that you are receiving an ultrasound is more emotionally significant in that you may be wishing to uncover some insight into your own emotional world. The potential for a positive emotional shift is apparent here.
Hospitality
Hospitality is a trait that softens hard hearts, especially when it is done without expectation and for complete strangers. To dream about hospitality indicates your generous nature.
Acquaintance
Seeing an acquaintance in your dream may represent great business affairs and balance in your personal life. You will encounter this acquaintance shortly after your dream. If you argue with an acquaintance, you could soon be faced with a humiliating experience.
Manslaughter
To dream of manslaughter represents anxieties regarding some situation or issue in your life. There may also be some sort of rumor or indignity that is affecting you.
Embarrassment
To dream of embarrassment directly relates to embarrassment or potential embarrassment in life. You may need to do some self-reflection and figure out why you have insecurities about decisions, yourself, your sexuality, and your own strengths or weaknesses.
Pregnancy Test
To dream of taking a pregnancy test may augur a new stage in your life such as a new job or relationship. These changes in your life will test your ability to adapt and act on matters at hand.
Alternatively, your dream may be an actual expression of anxiety, fear, and worry about getting someone pregnant or being pregnant yourself.
Revolving Door
*See Door.
Instant Message
To dream of an instant message may reveal an important detail about your inner self. The instant message could contain advice or a clue to your innermost desires. Alternatively, you may be too heavily occupied with gossip or chatter in your day to day life.
Perpetual Motion
To dream of perpetual motion suggests you are feeling worried and uneasy about a circumstance. You are dissatisfied with predictability and repetitiveness in your daily life, career, and relationships. You want change.