TheOpen Definition sets out principles that define “openness” in relation todata and content.
It makesprecise the meaning of “open” in the terms“open data” and“open content” and thereby ensuresquality and encouragescompatibility between different pools of open material.
It can be summed up in the statement that:
“Open meansanyone canfreely access, use, modify, and share forany purpose (subject, at most, to requirements that preserve provenance and openness).”
Put most succinctly:
“Open data and content can befreely used, modified, and shared byanyone forany purpose”