Revit is a combination of three programs or softwares "Revit Architecture", "Revit Structure", and "Revit MEP". Revit Structure is used by Structural Engineers, Revit MEP is for MEP Engineers. MEP stands for Mechanical, Electrical and Plumbing.
You know it very well that Revit Architecture is used to design Architectural and Interior projects. After Revit Architecture 2015, Autodesk didn't launch fully dedicated architectural software but now in Revit 2021 it's easy for new users to learn Revit Architecture, because it allows you to customize the User Interface according to your need. You can easily turn off other tabs (tools) related to other programs like Revit MEP and Revit Structure to avoid unnecessary confusion.
This book is divided into "Modules", "Units", and Chapters. Module represents "Ribbon Tabs" of Revit. Unit represents "Ribbon Panels" available in Revit. And Chapters is a collections of tools available in different ribbon panels.
No previous knowledge of software required to learn Revit by this book. After completing this book, you will be able to create your own projects on Revit with all detailings.