|Idiolect: An idiolect is a language spoken in a particular subgroup of a language community. In extreme cases this can be a single subject. One problem is the clarification of the word meanings and thus the possible determination of truth values (true, false) of statements._____________Annotation: The above characterizations of concepts are neither definitions nor exhausting presentations of problems related to them. Instead, they are intended to give a short introduction to the contributions below. – Lexicon of Arguments.