Possible signs and symptoms in anyone older than the age of 2 include: 1  Sudden high fever. 2  Stiff neck. 3  Severe headache that seems different than normal.  Headache with nausea or 1  vomiting. Confusion or difficulty concentrating. 2  Seizures. Sleepiness or difficulty waking.  Sensitivity to 1  light. No appetite or  thirst.
Lexis (linguistics) In generative linguistics, a lexis or lexicon is the complete set of all possible words in a language. In this sense, child, children, child's and children's are four different words in the English lexicon. In systemic-functional linguistics, a lexis or lexical item is the way one calls a particular thing or a type of phenomenon.
1 Routledge, 2004). 2  Lexicogrammar and Semantics.  3 Just as lexis and grammar are considered to form a single stratum, Halliday considers that the lexicogrammar is not a separate system or 'module' apart from semantics, but is rather an underlying component of the meaning-making system of a language. term used in systemic functional linguistics (SFL) to emphasize the interdependence of--and continuity between-- vocabulary (lexis) and syntax (grammar). The term lexicogrammar (literally, lexicon plus grammar) was introduced by linguist M.A.K. Halliday. Adjective: lexicogrammatical.