[Reference: https://www.cisco.com/c/dam/global/en_hk/solutions/collaboration/files/agile_product_development.pdf, The Agile Manifesto emphasizes "customer collaboration over contract negotiation" as one of its core values. This principle stresses the importance of engaging with customers to understand their needs and respond to changes, rather than strictly adhering to contract terms. The focus is on building a cooperative relationship with customers to deliver valuable software. This value is part of the Agile Manifesto, which outlines four key values and twelve principles for agile software development.]