5 Sites for SharePoint Information Architecture

The following are 5 good sites in regard to SharePoint information architecture: 

Introduction to SharePoint Information Architecture:

https://learn.microsoft.com/en-us/sharepoint/information-architecture-modern-experience

Information Management and Governance in SharePoint:

https://learn.microsoft.com/en-us/sharepoint/governance/information-management-and-governance-in-sharepoint

Information Architecture in Modern SharePoint:

https://learn.microsoft.com/en-us/sharepoint/information-architecture-principles

Information Architecture Models and Examples:

https://learn.microsoft.com/en-us/sharepoint/information-architecture-models-examples

Information Architecture Guidance for SharePoint Online Portals:

https://learn.microsoft.com/en-us/sharepoint/dev/solution-guidance/portal-information-architecture