This is the 1720th most frequent Spanish word.
agencia
Agency.
In this sentence, 'agencia' refers to an organization or company specializing in a field, in this case, advertising.
Trabajé en una agencia de publicidad el año pasado.
I worked in an advertising agency last year.
Here, 'agencia' is used to denote a service provider or intermediary organization offering specific assistance or facilitation.
Contacté una agencia para que me ayudaran con la solicitud de mi visa.
I contacted an agency to assist me with my visa application.
In this instance, 'agencia' represents an entity that works towards promoting or advocating a particular cause or service, sustainable tourism in this case.