A property is something you can say about an object: its color, its shape, its size, or how it feels.

Before mixing, the peanut was light brown, hard and crunchy.

After mixing, the peanut is still light brown, hard and crunchy.

The peanut is still a peanut.

The peanut before mixing and after mixing. It is still a peanut.

Now consider a raisin from the same bowl.

Before mixing, the raisin was dark, wrinkly and sweet.

After mixing, the raisin is still dark, wrinkly and sweet.

The raisin is still a raisin.

The raisin before mixing and after mixing. It is still a raisin.