OAuth2 conversations often involve security and access, which these combos nail with 🔒🔗🔄 to show locked-in connections or 🔑🌍🔐 when discussing global authentication. Use 👤🔗🌐 for user identity linked to the web, or 🔑🔄🌐 when refreshing tokens or permissions. These concise emoji blends fit well in dev chats or bug reports where you want to highlight the authentication flow without typing it all out.