as a noun, 'lot' can refer to a set or group of things or people, a parcel of land, or one's fate or destiny.
She bought a lot of books at the sale.
They are building a new house on that vacant lot.
It was his lot in life to travel the world.
as a pronoun, 'lot' can refer to a group of people or things, often indicating a large number or quantity.
Some people like coffee, but I prefer tea. The same goes for my family; the whole lot of them.
There were many toys in the box, and she wanted the lot.
Of all the teams, our lot performed the best.
in informal contexts, 'lot' can be used as an adverb in combination with comparative adjectives or adverbs to mean 'much' or 'far.'
This book is a lot better than the previous one.
She runs a lot faster than I do.
The new design is a lot more efficient.
The adverbial use of 'lot' is informal and might not be suitable for formal writing. It's essential to differentiate between the different roles of 'lot.' For instance, 'a parking lot' (noun) vs. 'a lot of people' (pronoun) vs. 'a lot better' (adverb).