Open access resources are publications that are freely available on the internet, permitting any users, without financial, legal, or technical barriers to:
Follow these steps to assess if the work you wish to reuse is open access under a CC license:
...you will learn more on:
Open Access and Creative Commons may be referred as OA and CC all through this guide.
Disclaimer: This information is provided for general guidance only and does not constitute legal advice. You should always seek advice for your individual situation.