With the recent clashes between Antifa and the far-right, it is to me, important to still understand that the concept of political violence is not unique to any side of the political spectrum. It is also important to understand why violence is used as a means for a political group.
WTF is "the left" and "the right"?
For the sake of a good discussion, it is important that the ones who participate have the definitions in order so people aren't misunderstood. Left-wing politics is described as ( by wikipedia ) "social equality and egalitarianism, often in opposition to social hierarchy and social inequality." while right-wing politics is described as ( by wikipedia ) "that social orders and hierarchies are inevitable, natural, normal, or desirable, typically supporting this position on the basis of natural law, economics or tradition.".
Following these definitions, we can see that left-wing politics tends to lay weight on a form of solidarity or equality, while right-wing politics tends to lay weight on a form of hierarchy or justice. Of course, none of that is mutually exclusive, since what is justice or solidarity to either the wildly diverse right and left is what's important in the divide, but that's a given with differing views anyway. Not even leftists or right-wingers can agree with anything.
Leftist ideology & thought (mostly) includes Socialism (and its variations) and social democracy. The former (Socialism) generally sees private property as illegitimate (it being a part of Capitalism) while the latter (social democracy) generally sees that the system that's seen as Capitalism is open for reformation or regulations, healthcare and education being common topics.
Capitalism being defined as a system based upon private ownership of the 'means of production' and their operation for profit, with Socialism being defined as a system based upon social and democratic ownership of the 'means of production'. The means of production being, well, means to produce or create, such as a factory or a workshop. A mean of production can be considered vague to some, or clear to others, from Wikipedia: "Physical, non-human inputs used for the production of economic value, such as facilities, machinery, tools, infrastructural capital and natural capital. The means of production includes two broad categories of objects: instruments of labor (tools, factories, infrastructure, etc.) and subjects of labor (natural resources and raw materials)."
Right-wing ideology & thought (mostly) includes Liberalism (Conservatism included for the sake of simplicity) and Fascism. The different forms of Liberalism (with Conservatism, Libertarianism, etc included) sees Capitalism as an ideal state of being where people have natural rights like self-ownership or a right to property, usually involving a free market. Fascists, on the other hand, either describe themselves as right-wing or third-positionist, usually subscribing to the theory of Corporatism.
Corporatism has little to do with the common idea of a corporation or business, but that society should be organised into major interest groups (agriculture, military, etc …) to work for the good of the state/nation. Corporatism can't be fully considered a form of private property, so whether Fascism is a form of Capitalism or not is up to debate, even if Fascism came as a response to the Soviet Union and different left-wing attempts at coups or assassinations in the west. Fascism has flirted with markets and foreign businesses in the past, like in Nazi Germany. We can say that Fascist economics could be considered third-way, it isn't Socialism with democratic or workers control, but nor possessing the ideas of Capitalism that includes voluntary exchange.
Keep in mind that Conservatism or Liberalism isn't clear from country to country, European and American Conservatism & Liberalism are all quite different, unlike for example how socialists or social democrats can work together as long as they're of the same school of thought (even fascists do it to some extent). Liberalism and Conservatism are what we tend to consider to be centrist parties throughout the world. Also, one of the communist parties in Nepal are apparently centre-left (lol)
Political ideology as a whole isn't literally just Socialism, Social Democracy, Liberalism, or Fascism, it's just that I believe that it was for the best to simplify these key differences and how they've all spawned different ideologies that agree with one another to some extent. See these as different categories, Socialism including Communism & Anarchism, and social democracy involving Keynesianism (or just social democrats). Liberalism including Classical Liberalism or Libertarianism, with Fascism including Strasserism & Nazism (and the likes). Each, of all of these, are different societies or ways to organise society.
The use of violence
I hope that we can all agree that violence of most forms are bad, whether it is through war or individual use. But I believe that even the strongest pacifists believe in self-defense, however that may be done, since different ideologies interpret violence and self-defense differently. Many anarchists can be considered pacifists, but at the same time, they see the present state of things, or at least the state, to be at war with them or that it is inherently violent. Most of the ones who believe in forms of Liberalism are in favor of non-violent methods, such as reformation, "voting with your wallet", or activism and speech. Meanwhile, fascist thought mainly involves the use of social-darwinism, and going to war both literally (country versus country) and metaphorically (competition, strength).
Where violence is the strongest, is where what most would consider to be in the "extreme left" or "extreme right". I see these terms as a bit arbitrary, since some equate the term "extreme left" to the democratic party (?) or candidates like Angela Merkel for reasons that I'm not quite clear of. Meanwhile, the "extreme right" tends to include fascists, nazis, or the alt-right. Leftists and right-wingers are all very divided, but what I have noticed is that certain conservatives can co-operate with fascists and that some social democrats can co-operate with the more radical socialists.
To end this essay OP, I'll ask a few questions:
Do you believe violence can have some use, for example for self-defense?
Do you subscribe to any ideologies, or do you simply see yourself as left- or right-wing without having any hard stances?
What's your opinion on me dividing the different lefts & rights into categories like Socialism or Liberalism? Is it a good way to show what divides the different groups, and what their economical or societal views are?