This is the 11309th most frequent Spanish word.
esconden
"Esconden" means "they hide" or "you all hide" (plural).
The verb 'esconden' is used here to indicate the action of hiding objects, performed by the subject, 'Los niños'.
Los niños esconden los juguetes en el cajón.
The children hide the toys in the drawer.
The verb 'esconden' is reflexive here, showing an action where the subject 'ellos/ellas' hides themselves.
Se esconden detrás del árbol para jugar al escondite.
They hide behind the tree to play hide and seek.
The verb 'esconden' describes the intentional action of concealing something intangible, 'sus secretos', by the subject.