um svg (scalable vector graphic) é um formato de imagem vetorizado. ou seja, não faz uso de imagens em pixel como jpg, png, etc. na realidade, o svg gera a imagem vetorizada a partir de linhas de código xml
<?xml version="1.0" ?>
<svg id="icons" viewBox="0 0 340 340" xmlns="<http://www.w3.org/2000/svg>">
<title/>
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