The song "Postcards" by Grieves explores the experiences and emotions of a traveler who wakes up in an unfamiliar city. The lyrics express a sense of being disconnected from one's home and constantly on the move, not knowing when or if they will ever return. The protagonist contacts their loved ones, reassuring them not to worry while they embark on their journey. The song highlights the protagonist's free-spirited nature, describing themselves as a "rolling stone" always seeking new adventures. They revel in the thrill of exploring different places, catching the "itch" for new experiences. The lyrics mention various cities, from LA to Chicago to Seattle to Brooklyn, representing the vastness and diversity of the traveler's journey. The reference to catching a flight and hopping on a plane shows the extent of their travels. The line "I'll send your ass a postcard" emphasizes the protagonist's intention to keep in touch and share their experiences with their loved ones back home. It symbolizes the idea of the postcard as a snapshot of their journey, a way to keep those they care about updated. The song also touches upon encounters with authority figures, such as airport security, adding an element of tension and excitement. Despite being misunderstood or mistaken for wrongdoings, the protagonist brushes it off, emphasizing the importance of time and the urgency to continue their journey. The chorus repeats the idea of sending postcards, emphasizing the protagonist's intention to share their experiences and memories with others. The overall message of the song is to embrace the adventure and excitement of exploring new places while staying connected to one's roots. Overall, "Postcards" explores the themes of travel, freedom, and the longing for connection. It captures the restless spirit of someone who constantly seeks new experiences, even if it means leaving behind familiarity and setting off into the unknown.