Watership Down is fundamentally a story about belonging and the search for a place to call home. The rabbits' perilous journey is motivated by their desire to establish a safe and thriving community, highlighting the universal longing for connection and security. The novel explores different models of society, contrasting the oppressive Efrafa with the democratic Watership Down, prompting reflection on the ideal qualities of a community.

Adams masterfully weaves mythology and storytelling into the fabric of the narrative. The rabbits' belief system, featuring the legendary hero El-ahrairah, provides them with courage, hope, and a sense of identity. This exploration of folklore emphasizes the profound impact of shared narratives on shaping cultural values and individual beliefs.

Throughout their odyssey, the rabbits encounter a series of challenges that test their resilience and ingenuity. While fate plays a role in their journey, the rabbits demonstrate remarkable agency, making difficult choices and ultimately shaping their destiny. The novel thus explores the complex interplay of predetermination and individual action, suggesting that even in the face of adversity, individuals have the power to influence their own outcomes.