In politics, "left-wing", "the political left", or "the Left" are terms that refer to politics that seek to reform or abolish existing social hierarchies an promote a more equal distribution of wealth and privilege. In general, the left advocates for a society where all people have an equal opportunity, which they often describe as a "level playing field". Toward this end, most people who consider themselves left-wing support labor unions. The term "the Left" can encompass a number of ideologies, including Progressivism, Social liberalism, Social democracy, Left-libertarianism, Socialism, Syndicalism, Marxism, Communism, and mainstream Anarchism.