To yet others, it means that even if we don't agree on everything, we still get along and learn to live with one another as fellow travelers on the road to heaven. It is precisely in this realm of procedure, ways of doing things, that spiritual gifts apply. Our minds do not all run in the same channel, and we have not all been given the same work. God has given to every man his work according to his several ability. There are different kinds of work to be done, and workers of varied capabilities are needed.
Unity also has to do with how various groups of people get along.
There are all kinds of implications here. In early church times, many Jews considered non-Jews unworthy of salvation. People who have common blood lines and cultures often tend to classify themselves as superior to everyone else. Assume for a minute that there is a debate in your church board about how to do a certain thing. Everyone has a different idea.