Covenants in Bitcoin

The idea with covenants is more like, what can you restrain in terms of future outputs? And what is the way that it can be spent? It's like a future restraint. But I think the important point to understand here is that it would be like an opt-in system, right? So for example, if you are generating an address to get paid today, you are the one determining whether it's a covenant or not. You are the one who's saying, I'm generating an address that’s single signature that I can unilaterally control without a government, without anyone else,. Or if you are opting into a covenant system, you would be the one to generate thataddress