Linguistic Units (“-eme” System)

Linguistic Units (“-eme” System)
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├── Phonology
│ └── Phoneme — minimal distinctive sound unit
│ └── Allophone — phonetic variant of a phoneme
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├── Morphology
│ └── Morpheme — minimal unit of meaning
│ └── Allomorph — variant forms of a morpheme
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├── Orthography
│ └── Grapheme — smallest unit of writing
│ └── Allograph — variant form of a grapheme
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├── Lexicon
│ └── Lexeme — abstract vocabulary entry (e.g., run)
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├── Semantics
│ └── Sememe — minimal unit of meaning (semantic features)
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├── Syntax
│ └── Tagmeme — a syntactic slot with a function (e.g., noun slot)
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├── Sign Language
│ └── Chereme — smallest unit of manual sign expression
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└── General Linguistics
└── Glosseme — theoretical minimal unit of linguistic meaning