A note about the concept of OER
OER = Open educationAL resources
The concept of "Open Education" is an umbrella concept encompassing various dimensions of openness, eg OER, OEP, Open Policy, Open Source, Open learning etc.
Which is why the the OERF is the Open Education Resource foundation. -- When writing out OER --the E refers to educational . Check the text and page names for consistent use of the term OER.