The term 'Brain PASSAGE' refers to the pathways that connect different parts of the brain. The two crossword solutions, ITER and LOBE, are related to this concept. ITER is a Latin word meaning 'JOURNEY' or 'PASSAGE, ' which is an appropriate description for the pathways between brain regions. LOBE is a term used to describe the distinct sections of the brain, such as the frontal LOBE, temporal LOBE, and occipital LOBE. Together, these two words provide insight into the complex network of connections within the brain.