explicar a alguien los hechos de la vida give someone sexual education (child); tell someone the facts of life (child); tell someone about the birds and the bees (child)
explicar bien las cosas a alguien set somebody straight about (truth)
explicar en gran detalle explain in great detail (explanation); explain the ins and outs of (explanation)
explicar minuciosamente explain the ins and outs of (explanation); explain in great detail (explanation)
que se explica por sí mismo self-explanatory (general)