Hand holds a megaphone emitting bright sound waves.
Schlüsselwörter
announcement,
broadcast,
call,
communication,
declaration,
demonstration,
earphones,
echo,
event,
fan,
flat,
gesture,
graphic,
greeting,
hail,
hand,
highlight,
horn,
icon,
illustration,
impulse,
inform,
information,
megaphone,
message,
noise,
notification,
occasion,
opinion,
pamphlet,
protest,
public,
publicity,
rally,
report,
shout,
signal,
sound,
speech,
speaker,
speaking,
statement,
strike,
talk,
thunder
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