Swastika 
To dream of a swastika represents negative emotions such as revulsion, maliciousness, brutality, and devastation. It usually relates to Nazi thoughts and opinions.
Keepsake
To dream of a keepsake may be a subconscious suggestion to hold onto items you might be about to throw away. It is also a reminder that your past has helped create your present, and that your present will play an important part in your future. Witnessing your thoughts at this time may help you attract experiences that you will treasure.
Alphabet
Dreaming of an alphabet generally signifies a return to learning, or going back to the fundamental basics of a concept. A combination of alphabetic letters or a specific alphabet in your dream has a certain significance to you. Therefore, examine these in the context of your waking life to determine what meaning they hold.
Genocide
Dreaming about a genocide is usually indicative of purification of their past. They have released negativity they once carried about their family.
Pentagram
To dream of a pentagram is associated with your spiritual connection to earth, air, fire and water. This contributes to aspects of your well-being. The pentagram symbolizes protection and the act of driving away the forces of evil.
To see an inverted pentagram symbolizes Satanism and evil. To see it in your dream suggests hostility, absence of positive forces, conflict, and guilty feelings. On the other hand, it signifies your materialistic nature in the physical world.
Handshake
To dream of a handshake indicates a feeling of content and recognition from yourself and others.
Dreaming of shaking hands with a celebrity shows recognition and regard from well-known people, while shaking hands with normal people might mean reaching a new decision or agreement and acknowledging its existence in your life. To dream of a handshake might also mean a resolution to a certain issue or problem.
Mathematics
To dream about mathematics suggests that you are attempting to assess an issue and discover the best way to resolve it. You should use practical and sensible reasoning rather than your instincts and feelings.
To dream that you are unable to solve a mathematical problem or equation is a reflection of an issue that you are unsure about. This dream may be leading you towards a resolution.
Slot Machine
To dream of seeing or playing a slot machine indicates that you are being too frivolous with your finances. It also implies that you should focus your efforts on a task or project that will create more important results.
Coat Of Arms
To dream of a coat of arms symbolizes your ancestry, heritage, and family line.
Star Of David
To dream of the Star of David symbolizes the combination of imagination and affection. It also signifies the harmony of paradise and the world.