This is the 2920th most frequent Catalan word.
específica
Specific.
Here 'específica' is used as an adjective to describe the task as being unique or designated for a particular purpose.
Aquesta és una tasca específica assignada a tu.
This is a specific task assigned to you.
In this sentence, 'específiques' is the plural feminine adjective matching 'dades', indicating the particularity and relevancy of the data required.
Es necessiten dades específiques per completar l'informe.
Specific data is needed to complete the report.
Here, 'específic' modifies 'coneixement', denoting that the knowledge possessed is detailed or specialized within a certain domain.