Assertion: punctuation | /r/DefinedAs | american heritage dictionary
Facets:
value: as signs
type: MANNER
value: on dictionary.com
type: LOCATION
Source sentences:
text: Punctuation is defined by American Heritage Dictionary (on Dictionary.com) as "the standard marks and signs in writing and printing" that are used to clarify meaning by designating the separations of thoughts and concepts into sentences and their constituent clauses and phrases and other units of meaning.