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Lexicographical sequence is an ordered arrangement of linguistic units, such as words, lexical entries, or symbols, according to the principles used in lexicography for determining their relative position within a lexical inventory or reference work. The ordering is typically based on orthographic, phonological, morphological, or language-specific conventions that establish the sequence in which entries are organized in dictionaries, glossaries, and other lexical resources ^[1]. Unlike a general alphabetical order, which may only consider character-by-character arrangement, a lexicographical sequence can incorporate additional linguistic rules, including treatment of diacritics, capitalization, inflectional forms, compound expressions, and language-specific sorting conventions ^[2] Within lexicography and language studies, the concept describes the systematic relationship among lexical items created through standardized ordering criteria rather than the semantic, syntactic, or conceptual relationships among words ^[3]. It therefore represents a formalized ordering system for lexical representation and retrieval, distinguishing it from lexical fields, semantic networks, and other structures that organize vocabulary according to meaning or usage.