anon said:So your interpretation is the the authors wanted us to imagine a common theme/limitation using only the three listed items (which in your estimation are different enough from all other divination spells so that we can see the commonality) and then just didn't bother to mention explicitly what the commonality was?
SRD said:This spell hides an object from location by divination (scrying) effects, such as the scrying spell or a crystal ball.
anon said:And I would suggest that the Obscure Object spell exactly supports my point.
When the authors wanted us to know that there was a more specific limit than simply "divination" they told us what it was by adding the parenthetical "(scrying)" to their discription. Lacking similar limitor, nondetection ought be interpretted as blocking all divination spells.
"Such as" provides examples of "simple commands". Any "simple command" will do - it doesn't have to be a "simple command" arbitrarily determined to resemble 'Attack,' 'Run,' and 'Fetch.' Example: 'Stay'.Dominate animal said:You can enchant an animal and direct it with simple commands such as 'Attack,' 'Run,' and 'Fetch.'
"Such as" provides examples of "other environmental hazards". Any "other environmental hazard" will do - it doesn't have to be an "other environmental hazard" arbitrarily determined to resemble smoke, lack of air, and so forth. Example: Avalanche.Endure Elements said:Endure elements doesn't provide any protection from fire or cold damage, nor does it protect against other environmental hazards such as smoke, lack of air, and so forth.
"Such as" provides examples of "combustible materials". Any "combustible material" will do - it doesn't have to be a "combustible material" arbitrarily determined to resemble parchment, straw, dry sticks, and cloth. Example: GunpowderFlame Blade said:A flame blade can ignite combustible materials such as parchment, straw, dry sticks, and cloth.
"Such as" provides examples of "normal means" [of destroying a stone wall]. Any "normal mean" will do - it doesn't have to be a "normal mean" arbitrarily determined to resemble breaking and chipping. Example: Acid.Wall of Stone said:Like any other stone wall, this one can be destroyed by a disintegrate spell or by normal means such as breaking and chipping.
"Such as" provides examples of "divination spells". Any "divination spell" will do - it doesn't have to be a "divination spell" arbitrarily determined to resemble clairaudience/clairvoyance, locate object, and detect spells. Example: True seeing.Nondetection said:The warded creature or object becomes difficult to detect by divination spells such as clairaudience/clairvoyance, locate object, and detect spells.

(Dungeons & Dragons)
Rulebook featuring "high magic" options, including a host of new spells.