Continuity was a connection between past, present, and future.

According to Data, Humans' desire to connect with the past, evidenced by their interested in old buildings and other historical objects, represented a need for continuity, due to their mortality. It was also a motivation for them to procreate. Humans hoped in this manner to give their lives meaning. (TNG: "Brothers")

As a philosopher, Quinn once celebrated the continuity of living in the Q Continuum. Though everything was exciting at the beginning of the New era, everyone eventully stopped speaking, having said all there was to say. (VOY: "Death Wish")