Identify the Letter of the Choice That Best Matches the Phrase

Identify the letter of the choice that best matches the phrase or definition.
-Online area where users have written discussions

A) browser
B) app
C) video conferencing
D) discussion forum
E) software suite
F) tax preparation
G) instant messaging
H) chat room
I) media sharing
J) personal firewall
K) clip art
L) database
M) image editing
N) photo editing
O) personal finance
P) web feed
Q) CAD
R) blogware
S) wireless messaging
T) email