What's the approppriate term for the window under the mouse cursor?

Question

In an app I'm writing, the user has the choice to apply a given action to either the "focused window", the "topmost window" or the "window that's being pointed by the mouse".

Is there a way to refer to the latter case in adjetive form?

e.g. "pointed window" or "hovered window".
None of these sound right, though.

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More info:
The target audience is people who are at least familiar with the concept of "focused/active window". So that they may want to perform an action on a window that's not focused by pointing it with their mouse.

In summary, we have 3 different concepts:

1. focused/active/foreground window
2. topmost window
3. pointed by mouse window

These 3 concepts may correspond to 3 completely different windows at a given time. That's why it's important that my users may choose which one they want.

Answer 1

Edit: You should give these windows names as early as possible, and always use those names to refer to those windows. Whether the names are "Input Window", "Alert Window", or simply "Window A" and "Window B".

Also consider changing your phrasing to refer to what is inside of the windows, rather than the windows themselves. Without knowing what the workflow is, it's hard to give more advice.