Demórate is a command form of the verb demorarse, meaning 'to linger', 'to delay', or 'to stay longer than expected'. It's a less common verb than 'quedarse' (to stay) and carries a more poetic nuance.
In the song, it's a tender plea to 'linger here' in the present moment, appreciating the simple things in life. It emphasizes the importance of savoring time and not rushing through life, making it a beautiful and evocative word.
Have you ever felt that sting when you realize something small and precious is gone forever? "Canción de las simples cosas" by Diego el Cigala is all about that feeling. It talks about how we slowly say goodbye to little things, "Uno se despide insensiblemente de pequeñas cosas" [One says goodbye insensibly to small things], just like a tree loses its leaves in autumn. The song suggests that sadness is really the slow death of these simple things, the ones that stay hurting in your heart.
It's a beautiful reminder to appreciate the present. The lyrics warn us not to leave now dreaming of returning, "no partas ahora soñando el regreso" [don't leave now dreaming of returning], because love is simple, and time devours simple things. Instead, it urges us to linger in the present moment, "Demórate aquí, en la luz mayor de este mediodía" [Linger here, in the greater light of this midday], where you'll find a table set with bread in the sun. It's a powerful message about cherishing what you have before it's gone.