Before starting primary education, around 6 years of age, in principle, children already master the linguistic system and its basic rules, having a repertoire of words that allows them to communicate and participate in conversations. But communicating is not simply mastering a linguistic system and language comprises other components, besides words . Are there words that children should learn firstly? Which ones? At what age? When should we worry because our child does not express words or expresses little words? And what to do? This is the topic of the Hospital da Luz Podcast with Rosa Rodrigues , speech therapist at the Centre of Neurodevelopment and Child and Youth Behaviour, from Hospital da Luz Lisboa. Google | iTunes | Spotify Meet the speech therapy team from Hospital da Luz network. The content published in the Health Guide is intended for the general public and is provided for informational and educational purposes only. It does not replace individual medical assessment, diagnosis, or personalized clinical advice from a qualified healthcare professional. The content is produced or reviewed by physicians and other healthcare professionals at Hospital da Luz and is based on the knowledge available at the time of publication or the most recent update, as indicated at the beginning of each item.