Mine is ABSTRACT, potentially with connections to all three other categories.
ABSTRACT and MINERAL.
Phil has it. The midday sun. Well done. Stay indoors.
Next, for your amusement and intellectual delight, we shall have:
Enough of this rambling - the next object is
ABSTRACT with ANIMAL and MINERAL connections.
Clarification/Correction: The "human construct" applies to the wording rather than the idea itself.
Hint: The AOTC contains no verb - it's a description.