Columbia subject headings:
Allusions in literature.
Connotation (Linguistics)
Subtext (Drama, novel, etc.)
Harvard subject headings:
Allusions
Figures of speech
Periphrasis
Rhetoric--Social aspects.
Sociolinguistics
Princeton subject headings:
Allusions.
Figures of speech.
Periphrasis.
Rhetoric--Social aspects.
Sociolinguistics.