Open access (OA) publishing: Open access publishing refers to making the fruits of scholarly research freely available to the public. It is an alternative that emerged in response to high subscription prices that publishers charge. See infographic on the differences between OA and OER.
Open licensing: This is the practice of using copyright licenses that expand rather than restrict the user's freedoms. Most educational works are licensed under a Creative Commons license.
Openwashing: This term was coined by Audrey Watters and refers to the practice of appearing to be open (the 5 Rs) for marketing purposes, while in reality continuing proprietary practices.