to respond to a message or email
responder a un mensaje o correo electrónico (responder a un mensaje o correo electrónico)
"I’ll reply to your email by the end of the day."
"Responderé a tu correo electrónico al final del día." (Responderé a tu correo electrónico al final del día.)
to be responsible for someone or something
to listen attentively without interrupting or judging
to write a short letter or message to someone
to make rules or policies stricter
to support or defend someone in a team or argument
to demonstrate that you value something