rebus, ciphertext, anagrams, ugaritic, tildes, cruciverbalist, chiasmus, simultaneous equations, recognizer, acrostics, hieroglyph, ciphering, metafiction, etymologies, palindromes, chronos, quadratic equation, crossword puzzle, quatrain, computerese, captcha, binary code, hieroglyphic, ideograms, geometer, colophon, intertextuality, foolscap, onionskin, plaintext, mysteries, lexis, combinatorics, decipherment, puzzles, riddles, marginalia, logarithms, inkblots, genitive, boolean algebra, frederico garcia lorca, hexadecimal, metonymy, past participle, cardinality, sigil, koans, heisenberg uncertainty principle, prepositional phrase, glyphs, split infinitive, ideographs, flashcard, spectrograms, mimesis, epigram, dirichlet, charles dodgson, declarative sentence, syllogisms, scansion, symbologist, epigraphs, syntax, alphanumerics, polynomial, homophones, whodunits, quarto, phoneme, psychokinesis, theorems, crossword, anaphora, diphthong, grimoire, abstractness, carte de visite, queneau, edmund spenser, shakespearean sonnet, factorization, metaphysics, objet, aether, leonardo fibonacci, kerning, sender, schemata, subroutine, schrodinger equation, euclidean geometry, greek mythology, hemingwayesque, parmenides, obscura, zhuangzi, magnus, diacritics, tautologies, allusiveness, document, parable, affidavit, argument, elegy, incantation, mantra, pericope, series, stanza, strophe, address, assize, cairn, calculation, cf, despatch, dispatch, dune, eclipse

writing, written material

cryptograph, secret writing