Synonyms: digression, divagation, parenthesis, aside, excursus
Definition: a message that departs from the main subject
Similar words: subject matter, substance, message, content
Definition: what a communication that is about something is about
Synonyms: parenthesis
Definition: either of two punctuation marks (or) used to enclose textual material
Similar words: punctuation, punctuation mark
Definition: the marks used to clarify meaning by indicating separation of words into sentences and clauses and phrases