u/SillabubSF

Hey all, first time home owner and first time poster here. I've just moved into my new place and am trying to get familiar with its quirks, as it's quite an old building. Was hoping someone with some plumbing knowledge could explain what/where all these pipes connect to. This is directly under my kitchen sink and next to my dishwasher. I thought they might be isolation valves but they're not colour coded and it looks like there are three different taps? Idk. If anyone more knowledgeable wants to take a guess I'd much appreciate it 🙈