sfx

sound effect

efx

app fx

notification

error

computer

electronic

synth

synthesized

digital

synthesizer

smartphone

mobile device

production element

project

audio clip

appsound

app dev

application

developers

development

multimedia

multi-media

bad event

not ok

notifying

alert

indicate

warn

warning

wrong

problem

trouble

attention

err

erroneous

idea

fail

failed attempt

failing

access denied

denying

notifies

notify

program

software

ui

interface