social media app

smartphone application

multimedia alert

multi-media

sound effect

computer

user interface ui

notification element

notifier idea

indication

indicating

social networking platform

website

web site

system

announce

announcer

attention

internet

mobile phone

mobile device

network

online

positive

sent message

received e-mail

receive email

messaging

messenger

webchat

web chat room

correct answer

confirm

confirmed

ok

achieve

good event

optimistic

success

successful

finished

complete

authorized

affirmative

unlock

accurate

ready

accept

approved

chatroom