Principles of socialism HELP

I know that 4chan is not the best place for good answers but I am in a hurry and i need a list of the Principles underlying socialism, i have searched on every possible site about socialism on internet and  books and but i still dont find any complete explications  it looks like the socialism dont have any clear principles, please help me i need this for a modern political ideas homework.

excuse my bad english but you understand

economic collectivism, trying to make everyone as equal as possible through redistribution of wealth and state intervention in the economy on behalf of the people. nationalisation of resources and services in preference to privatisation. "from each according to his ability, to each according to his need"