Final answer:
The phrase represents a moment of deep understanding between individuals, often marking a pivotal moment in literature where characters have a significant communication breakthrough or emotional realization.
Step-by-step explanation:
The phrase 'Never had we understood one another so clearly' implies a profound moment of realization and clarity between two individuals. The context of this statement can vary widely depending on the source material, but it typically suggests that there has been a significant communication or an emotional breakthrough that has allowed for a deep and clear understanding. In literature, such moments are pivotal in character development and plot progression, often leading to a change in dynamics or decisions that drive the story forward. These moments of clarity can stem from honest dialogues, revelations of truth, or an alignment of values and beliefs between characters.