In reference to grievance mechanism, means seeking to ensure that aggrieved parties have reasonable access to sources of information, advice and expertise necessary to engage in a grievance process on fair, informed and respectful terms.
(Source: United Nations Office of the High Commissioner for Human Rights. 2011. Guiding Principles on Business and Human Rights. http://www.business-humanrights.org/Documents/UNGuidingPrinciples)