What is the difference between V2 and V3 liquidity in PancakeSwap?

Could you please elaborate on the distinction between V2 and V3 liquidity in PancakeSwap? As a user, I'm curious to know how these two versions of liquidity differ and what advantages or disadvantages each might have. Are there any specific features or functionalities that are unique to either V2 or V3 liquidity? Additionally, how do these differences impact the overall user experience and trading efficiency on PancakeSwap? I'd appreciate any insights you can provide to help me better understand this topic.