Refers to means or methods used for a particular purpose.
Las expedientas que propusieron los expertos fueron clave para resolver la crisis económica del país.
The measures proposed by the experts were key to resolving the country's economic crisis.
A pesar de que los expedientas eran costosos, el director decidió implementarlos en el proyecto.
Despite the fact that the measures were costly, the director decided to implement them in the project.