Assertion: postcard's side | /r/UsedFor | the address
Facets:
value: exclusively
type: DEGREE
Source sentences:
text: This side is exclusively for the Address,” or slight variations of this phrase.
text: This allowed the sender to include a message, because the other side was exclusively for an address (see note in image below).
text: This side is for the address only” (Staff, p. 62).