The Wikipedia article would be a reasonable place to begin research into this matter. One can refer to the sources listed at the bottom of the article. See link below.
This dream suggests that something harmful needs to be "cut off" from the dreamer's life.
This dream suggests loss. It could be part of the normal grieving process over the loss of one's mother.
Dreaming of being lost suggests you have lost your direction in life or that you have lost sight.
This idea is known as social order theory in sociology, which suggests that social constructs are necessary for maintaining stability and order in society. It argues that shared beliefs and values shape social norms and institutions that help regulate individuals' behavior.
If the question concerns a dream of gold nuggets, it suggests that the dreamer has an idea or the beginning of something that could result in wealth.
Dreaming of dying can mean a number of different things. In general it suggests the end of one stage of life and the beginning of another.
Dreaming that someone you know is getting married suggests that you feel like you are being left behind. You may subliminally feel this way due to someone moving away or moving on in a way that makes you feel forgotten.
It may mean that you are determined that your sister will not be forgotten. Saving her from the drain suggests that it is important to you that she not be "lost" or that she does not slip away from you.
This dream suggests that the dreamer is considering "a plunge" into something new. The "lake" could represent a new job, a relationship or a new directing in life.
The dream suggests that you need to mend your relationship with this person. Dreaming of hurting the same person twice emphasizes the importance of reconciliation.
Dreaming that someone has been kidnapped suggests that the dreamer feels that person has been emotionally distant, and not available to the dreamer.
Dreams are about the dreamer's emotions, thoughts, experiences and memories. This dream suggests that the dreamer feelsbetrayed by someone or something. It does not mean that any actual betrayal occurred.