Diaper 
To dream about a diaper suggests that you are being too reliant on people around you.
To dream that you are changing diapers indicates that you should improve your demeanor or the childish ways in which you act. You could have a poor outlook for a new job or task.
To dream about dirty diapers suggests that you must take care of a situation that you created with childish actions.
Lentil
To dream of lentils means that you are in an unhealthy and unsupportive environment that emotionally strains you.
Gender
To dream about your gender implies that you're having trouble determining your role in society. You may be lately feeling overly self-conscious about how you're perceived by others. If you're a male and dream of seeing yourself as a female, it indicates the need for nurturing. If you're a female disguised as a male in your dream, it indicates the need for protection and support.
Obelisk
To dream of an obelisk symbolizes indifferent and harsh character. It also means a need to warm up to others and to refine your character.
Dreaming of an obelisk may also suggest genital/sexual insinuation.
Pyramid
To dream of pyramids bodes of fresh and important changes lurking in your life. It likewise embodies endurance, steadiness, and a deep rooting in your life.
To dream that you are climbing a pyramid symbolizes ineffectual meandering before reaching a point of satisfaction.
Receipt
To dream of a receipt signifies recognition and acceptance of certain personal shortcomings. It reflects your hospitality, genuineness, and sincerity. Try to think on how the receipt relates in your life. What is the receipt for?
To dream of a receipt may also symbolize your future success and prosperity.
Redhead
To dream you are a redhead suggests you need to take time off for pleasure and relaxation. Make major changes, particularly in your lifestyle.
Thistle
To dream about a thistle signals your desire to feel safe. It's possible that you are erecting blockades to keep others from getting too close.