Houdini screen.
1 Object no select.
2 The object is not selected but the cursor is above the object.
The subject is highlighted in orange.
3 Object Select.
4 Object select and mouse in object.
Hightlight job in all always if the cursor is over an object.
5 If the mouse cursor is close to the top, it is highlighted in light blue. Ruff is not selected.
6 On the left in the yellow square, the vertex is selected and highlighted in yellow; on the right, the cursor is highlighted in light blue above it.
7 The edges of the model are also highlighted.
8 model faces are also highlighted.
9 It is also clearly visible if you need to remove the selection, the backlight will be red.