Foundation is everything that contributed to your character before they started adventuring. It includes a broad array of things, such as:

While every character is a unique expression of all of these traits and more, for game purposes, you start with three traits in Foundation. You can gain more, or improve the ones you have, as you gain levels.

Foundation

When you create a character, they gain 3 Foundation "levels". Mostly this just means they gain 3 Feats from Ancestry or Background. These levels do not include class levels or hit dice.

Ideas: