Diffuse, Metallic, Normal, Reflection, Roughness where i apply to my model ?

[Anonymous]

 I dont know how to put it in my model. I found difuse apply to color and work. Another map i dont know where to put it please help. 😞 

[damaggio]

https://forums.autodesk.com/t5/maya-shading-lighting-and/how-do-i-apply-normal-roughness-color-and-o...