"105866489"@en-us . "an abstract place usually conceived as having depth; \"a good actor communicates on several levels\"; \"a simile has at least two layers of meaning\"; \"the mind functions on many strata simultaneously\""@en-us . . "stratum"@en-us . . . . "106246896"^^ . . "0"^^ . . . . . "06246896-n"^^ . . "level"^^ . "layer"@en-us . "level"@en-us . . "0"^^ . . .