So you're looking for a word that's a descriptor for different types of social media e.g. aggregator vs video/image/audio hosting vs microblogging. The first word that comes to mind is that they might be different paradigms of social media?
Kbin federated with Mastodon and lemmy
Well that's three, there are at least 1200 more and that's not including the YouTube and Instagram like sites that are, or could be, federated, and they all have slightly different feature sets depending on what software they're running.
That's what I'm talking about. A way to describe those feature sets in a word.
Fediverse
This magazine is dedicated to discussions on the federated social networking ecosystem, which includes decentralized and open-source social media platforms. Whether you are a user, developer, or simply interested in the concept of decentralized social media, this is the place for you. Here you can share your knowledge, ask questions, and engage in discussions on topics such as the benefits and challenges of decentralized social media, new and existing federated platforms, and more. From the latest developments and trends to ethical considerations and the future of federated social media, this category covers a wide range of topics related to the Fediverse.