Final answer:
The contract terms in employee handbooks and similar documents are known as ancillary terms. These terms clarify expectations and obligations related to the main contract.
Step-by-step explanation:
The name of the contract terms found in employee handbooks, HR policy manuals, retirement plans, and benefits handbooks are often referred to as ancillary terms.
These terms are considered integral to the understanding and enforcement of the main contract, despite not being part of the contract's main body. They provide additional information, rules, and provisions that help clarify the expectations and obligations of the parties involved.