A UI text element must be added to .an empty background container game objecta prefaba slot game objecta tray objecta canvas

canvas

Explanation:

The answer to this question is that A UI text element must be added to a canvas. The canvas is that area that all the unity items (UI) have to be inside.

We insert the Text UI element when we move to the hierarchy of the scene from create we move to UI and then to text.

After all these have been done, we will get a text element which have been added in the Canvas region.

answer; geometric center line;

answer; by the southern association of colleges and schools commissions(institutional accreditation)