Entrustment means entrusting things to others or other institutions (handling), which is a conceptual problem.

Delegation is an object-oriented technology (also known as design pattern). Suppose the object X already exists, and now you want to change the behavior of one of its methods. You can create a new class, provide a new implementation of the method you want to modify, and delegate all other methods to the corresponding method of X.

Legal concept: entrusting others to exercise their legitimate rights and interests on their behalf, and the client needs to show his legal documents when exercising his power. The trustor shall not abandon the entrusted matters for any reason. If the client makes any rights and interests that violate national laws, the client has the right to terminate the entrustment agreement. Within the scope of the legitimate rights and interests of the principal's power of attorney, all the duties exercised by the principal shall be borne by the principal, and the principal shall not bear any legal responsibilities.

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