The principle that prompts related elements to be similar in both form and meaning, it is the result of linguistic forms resembling their referents. Idiolect The linguistic variety of a language spoken by an individual speaker. Idiolects are used to document the transmission of change in a speech community, because the comparison of the presence or absence of innovations from speaker to speaker and within the idiolect of each speaker is similar to the pattern of change diachronically.

In functional-cognitive linguistics, iconicity is the conceived similarity or analogy between a form of language and its meaning.

Peirce] The property of being an icon.

Refers to the continuum that describes symbols by ease of recognition.