MANAGEMENT

Detailed explanation-1: -Host–guest interactions involve two molecules or materials that can form complexes through unique structural relationships and noncovalent binding. Also referred to as molecular recognition, this type of interaction is widely found in biorecognition processes, such as enzyme–inhibitor and antigen–antibody interactions.

Detailed explanation-2: -Hospitality is the relationship between guest and host, or the act or practice of being hospitable. Specifically, this includes the reception and entertainment of guests, visitors, or strangers, resorts, membership clubs, conventions, attractions, special events, and other services for travelers and tourists.

Detailed explanation-3: -A guest host (or guest presenter in the United Kingdom) is a host, usually of a talk show, that hosts the program in lieu of the regular host if they fall ill, have another project or commitment, or are unable to host for some other reason.