The term 'pass along' can be defined by four different crossword solutions: TRANSMIT (8 letters), RELAY (5 letters), CONVEY (6 letters), and REFER (5 letters). TRANSMIT means to send or communicate something, usually through a medium such as radio waves or the internet. RELAY is similar to TRANSMIT, but it involves passing the message from one person to another. CONVEY means to communicate or express something, often through words or body language. Lastly, REFER means to direct someone's attention to a particular thing or person. All of these terms are related to the idea of passing along information or ideas.