These measures are meant to correct some of the obstacles, especially institutional and systemic barriers, that still prevent women's equal access to politics. Moreover, they require adaptation to the local context. The Committee on the Elimination of Discrimination against Women has explained that the Convention's article 7 extends to all areas of public and political life and is thus not limited to those specified in the article itself. According to the Committee, the political and public life of a country is a broad concept, and can refer to the exercise of political power, in particular legislative, judicial, executive and administrative powers, all aspects of public administration and the formulation and implementation of policy at the international, national, regional and local levels.