What does the term 'the Lamb's book of life' mean?

'The Lamb's book of life' is a significant concept in Christian theology, representing a divine record maintained by Christ of all who belong to Him. This book symbolizes the eternal security and assurance of salvation for believers, affirming that their names are inscribed in it from the foundation of the world (Revelation 17:8). The existence of this book emphasizes God's sovereignty in salvation and the idea that true followers of Christ are known by Him and will ultimately be preserved, demonstrating the unfailing grace available to those who trust in Him.