xanyuidje lujvo

x1 is a mouse cursor (graphical element) of user interface x2.

Specifically refers to the graphical element, not the physical tool. From xance + uidje. See samxa'e, pevysmacu

In notes:

x1 is a zi'evla-based lujvo meaning x2, with arguments x3 from tanru/compound-phrase x4
x1 clicks on x2, causing x3 (nu).
x1 hovers (move computer cursor over without clicking) over locus x2