1898. Those very general concepts [1892-3], or units [1894], which are the least, simplest parts of the mental images of any person on earth, any spirit or any angel, are for them vessels or receptacles, in which countlessly many higher elements are contained. These higher elements are, as just said, in people on earth and in spirits, bodily or worldly ones; in angels of the inward heaven earthly, or lower spiritual and heavenly ones; in angels of the very inward heaven, spiritual ones, and so on.