The document provides an introduction and definitions related to contract law in India. It defines key terms like offer, acceptance, promise, promisor, promisee, consideration, agreement and contract. It explains that a contract is an agreement that is enforceable by law, while an agreement may or may not be enforceable. It also distinguishes between void, voidable and valid contracts. The document notes that prior to the Contract Act of 1872, English contract law was followed in India, and it lays out the structure and scope of the Contract Act.