I have added an image as a canvas child, the image is just a layout to outfit UI text elements like in below image.
here the black outline is the image and red one is their bounds which we can see in editor, the blue text is UI Text element with anchor preset bottom stretch and right = 100. The canvas render mode is screen overlay, scale with screen size, reference resolution is 1920x1080. Thus in image 1, the UI text is in middle, but in image 2 (different resolution) it does't look like in middle.
