This is the 11477th most frequent Spanish word.
expliquen
"Expliquen" means "they explain" or "you all explain" (formal command).
Here, "expliquen" is used as the imperative form of the verb 'explicar' directed at multiple people (second person plural, formal/informal in context).
Por favor, expliquen el procedimiento con claridad.
Please explain the procedure clearly.
Here, "expliquen" is used as the subjunctive form of the verb 'explicar' for a hypothetical or desired action by 'ellos' (third person plural).
Es importante que ellos expliquen su punto de vista.
It is important that they explain their point of view.
In this sentence, "expliquen" appears again in the subjunctive mood, reflecting the action of 'ellos/ellas/ustedes' contingent upon the suggestion given.