In order to make sense of how various particles relate to and interact with each other, Physicists came up with the Standard Model.
There are lots of different versions of this, in that the same information is displayed in a variety of different ways, but the information this conveys is pretty much the same. There is no harm in looking at different versions as it helps strengthen our understanding.
This is the latest version that I can find
The A Level Physics curriculum covers some of the above material. I am therefore putting related information on the A Level Physics Topic Thread. Worth checking out even as the explanations are excellent.