Means of production refer to the resources needed for production like factories, machinery, and materials, while labor is the human effort involved. Value in a product is determined by labor input, scarcity, demand, and socially necessary labor time. Labor directly affects value – more labor-intensive products have higher value. Labor is the work performed, while labor power is the potential to work and is sold to employers for wages. Surplus value is the profit derived by capitalists from workers’ labor – it shows the exploitation in the capitalist system. Understanding surplus value is crucial for analyzing class exploitation and economic inequality, as it highlights how workers create more value than they receive in wages, benefiting business owners. For example, if a worker generates $30 of value but is paid $15, the surplus value is $15, allowing for profit and wealth accumulation for business owners.