Is there any way exits to cover just specific part of sphere object?

[jump7339]

I found something at absolutely what I want to do. So I share link to get right answer.

javafx 3d sphere partial texture

This is question and answer is for javafx 3d but, I have no idea to convert this to Unity 3D.

And also, I found this

How to make a partial shader?

What I have done: 1.Create a 3D object Sphere. 2.Drag a png image in project window on the sphere. Then I get a ball with albedo map shader like this: [8764978--1188691--upload_2023-1-29_21-13-57.png] What I want: [8764978--1188697--upload_2023-1-29_21-25-25.png] The standard shader make the texture image clamp to wrap the whole sphere, but I just want the image map on some part of the sphere, which looks like a poster be pasted on it. I don’t know if Detail Mask can realizes that.I’ve…

However, I cannot understand what UV unwrap is in second link. I trying to use ChatGPT, Google and blender etc. Nobody give me clear answer. Even I try to find asset at asset store this is not exist anywhere.