This is the 252nd most frequent Spanish word.
explica
"Explica" means "explains."
Here, 'explica' is used as the third-person singular form of the verb 'explicar', meaning 'to explain', representing an ongoing action in present tense.
El profesor explica la lección de hoy con claridad.
The professor explains today's lesson clearly.
In this sentence, 'Explícale' is the imperative form of 'explicar', used to give a command or instruction in the singular informal mode.
Explícale a tu amiga cómo llegar a nuestra casa.
Explain to your friend how to reach our house.
Here, 'explique' is used in the subjunctive mood, reflecting the speaker's wish or request for an explanation.