Even for the most routine messages, a(n) _____ should be provided to provide closure and convey goodwill to the reader.

A) buffer
B) agenda
C) dependent clause
D) conclusion

Dependent Clause

A group of words with a subject and verb that cannot stand alone as a complete sentence because it does not express a complete thought.

Buffer

A temporary storage area used to manage differences in processing rates between producers and consumers of data in computing or in audio/video streaming.