https://www.adobe.com/eg_en/acrobat/about-adobe-pdf.html
Learn what a PDF file is and the meaning of PDF. Adobe created the Portable Document Format to help people connect through electronic document exchange.
portable document formatadobe acrobatpdf
https://www.pdf2go.com/file-format/pdf
PDF is short for Portable Document Format. PDF documents can contain formatted text, different fonts, hyperlinks, images, and even media such as sounds and...
portable document formatpdf