The first word I always get for base chakra is security. In this case when it is paired with vibration and talking of higher levels, it talks of grounding. Grounding is so very important. Connecting with the Earth and having your feet on the ground and your head in reality. Being fully present in your body. Only at this time should we soar into the realms above.
Card decks used: Psychic Tarot by John Holland, Starseed by Nari Anastarsia.