It absolutely conveys useful information. At least... when used correctly. It's talking about applications that share a similar structure and composition. An i

It absolutely conveys useful information. At least... when used correctly. It's talking about applications that share a similar structure and composition. An isomorphic application is one that is structured similarly on the server and the client (often sharing most of the code) but will not have all the code the same. For example - server side code may deal with Auth or routing whereas the client is more data driven. This is quite different to a 100% server rendered page OR a client-rendered page. It shares some features with both. This is also quite different from the implication of a universal application - which would imply both the client and server run the exact same code (otherwise how can it be called universal?). So it's very information rich compared to any alternative.