signal

signaling

app

application

appdev

app dev

development

developers

alert

sound effect

sfx

sound clip

app fx

for apps

error

careful

attention

notification

notify

notifying

notifies

notice

software

err

notifier

warn

warning

problem

multimedia

production element

interface

computer

event

negative

wrong

fail

failed attempt

failing

trouble

access denied

rejected

incorrect

deny

denying

erroneous

indicate

indication

crash

crashed

developer

for app

fail attempt

access deny

reject