Lexical means relating to the words of a language. We chose a few of the commonest lexical items in the languages. dealing with words, or related to words (lexikos; LEXICON)
Of or pertaining to a lexicon, to lexicography, or words; according or conforming to a lexicon
{s} of or pertaining to a language's words or vocabulary; of or pertaining to a lexicon, of a dictionary
The conversion of a stream of characters to a stream of meaningful tokens; normally to simplify parsing
While it's often not difficult to identify tokens while parsing, having a separate stage for lexical analysis simplifies the structure of your compiler.
A linguistic category of words (or more precisely lexical items), generally defined by the syntactic or morphological behaviour of the lexical item in question, such as noun or verb
A set of cognate words or morphemes in two or more related languages, where regular sound correspondences occur between the phonemes contained in the words
A term—word or a sequence of words—that acts as a unit of meaning, including words, phrases, phrasal verbs and proverbs, exemplified by "cat", "traffic light", "take care of", "by-the-way", and "don't count your chickens before they hatch"
(Dilbilim) The aktionsart or lexical aspect of a verb is a part of the way in which that verb is structured in relation to time. Any event, state, process, or action a verb expresses—collectively, any eventuality—may also be said to have the same aktionsart. Lexical aspect should be distinguished from grammatical aspect: lexical aspect is a classification of verbs. Grammatical aspect is a classification of different (conjugated) forms of a single verb
(Dilbilim) A lexical gap or lacuna is an absence of a word in a particular language. Types of lexical gaps include untranslatability and missing inflections