Help with UV Mapping

I am working on this project where I am essentially replicating the model in the attached image. I have little experience with textures and UV mapping. I need the texture to be in one image file for the whole model. Can someone give me some pointers and a basic work flow that I should follow to get this done? Thanks!

For the parts with solid colors, you can scale the uv to 0 and place them in some corner of the texture. The Curved surface looks as it’s just a simple horizontal projection and you can select that part, change the view to front or right, and apply a «project from view» uv.

here’s a small example:

Wow, thank you so much. I need to figure out how to properly unwrap it still but I should be able to figure that out if I play around with it enough. Thanks again!