Wills, Trusts and Estate Planning is a practice area that encompasses:

Wills — A formally executed written instrument by which a person makes disposition of his or her estate to take effect after death

Revocable Living Trusts — A fiduciary relationship in which one party holds legal title to another’s property for the benefit of a party who holds equitable title to the property and which the settlor has retained the power of revocation.

Power of Attorney — an instrument containing an authorization for one to act as the agent of the principal that terminates esp. upon revocation by the principal or death of the principal or agent called also letter of attorney.

Advance Health Care Directives — a document (as a living will or durable power of attorney) in which a person expresses his or her wishes regarding medical treatment in the event of incapacitation.

Probate Administration — the process of administering an estate. 

Definitions found on this page are taken from www.dictionary.findlaw.com.  Copyright 2015, Thomas Reuters.  All rights reserved.