This is the 1693rd most frequent Spanish word.
seleccionado
Chosen or selected.
Here, 'seleccionado' is used as a past participle adjective to describe the player who was chosen or selected for a particular role.
El jugador seleccionado demostró ser un gran líder.
The selected player proved to be a great leader.
In this sentence, 'seleccionado' functions as the past participle of the verb 'seleccionar', indicating the action of choosing or selecting the best options.
Han seleccionado las mejores opciones para el proyecto.
They have selected the best options for the project.
'Seleccionado' here is again used as an adjective describing 'grupo', indicating that this particular group has been chosen for a specific task.