what is minimum price ceiling. is price ceiling and minimum price ceiling different thing .pls explain clearly

Price ceiling is the legislated or government imposed maximum level of price that can be charged by the seller. Usually, the government fixes this maximum price much below the equilibrium price, in order to preserve the welfare of the poorer and vulnerable section of the society. On the other hand, minimum price ceiling or price floor implies legislated or government fixed minimum price that should be charged by the seller. The minimum price is fixed above the equilibrium price. Follow the below link to refer to the study material. Also, refer to the related video.

https://www.meritnation.com/cbse/class12-commerce/studymaterial/economics/introductory-microeconomics/market-equilibrium/338_1984_5824#slide4_price-ceiling-price-floor-and-wage-determination