Veda means knowledge and Vedic life means life based on knowledge. Here knowledge refers to both kinds of knowledge that is knowledge of the objective world and also knowledge of the knower. Knowledge of the knower is the basis of all knowledge because knowledge is structured in consciousness.
Yoga is the complete science of mind, body and their integration. In present times yoga is mainly understood as another form of physical exercise.
Vedic life meditation is the original meditation described in Patanjali Yog Sutras which is the authentic text of vedic literature.