Online Resources for Lateral System Loads with VLFRS and Diaphragms (Structural Analysis)?

Hi all, basically title , thata the chapter thats currently being covered my structural analysis class and I have no clue as to any online resources that tackle this specificly. I’m talking drawing diaphrams and calculating the loads on a certain floor of a 6 story building knowing the windloads per certain amount of elevation sort of thing.

i see several videos for shear and moment diagrams for structural analysis , not much for this. class resources are pretty vauge in terms of how to solve these types of problems. Any tips would also be greatly appreciated.