as a hollow, opening and closing object it symbolizes female genitalia.
putting something inside a container (especially repeatedly): a clear symbolic representation of sex.
an object lying at the bottom of a container: represents the essence of the dreamer's desire for sexual relations.
taking something from a container: symbolizes the desire for assets and wealth; this image is typical of the egotistical experience.
putting something into a container: the dreamer is ridding himself of excessive contents of the mind and freeing space in his consciousness for emotional and later spiritual experiences.