La Follette Trusts Lawyer, Tennessee, page 4

A child or spouse who is not mentioned in a will and whom the court believes was accidentally overlooked by the person who made the will. For example, a child born or adopted after the will is made may be deemed a pretermitted heir. If the court determines that an heir was accidentally omitted, that heir is entitled to receive the same share of the estate as she would have if the deceased had died without a will. A pretermitted heir is sometimes called an 'omitted heir.'

A person who makes investments. An investor may act either for herself or on behalf of others. A stock broker or mutual fund manager, for instance, makes investments for others who have entrusted her with their money.

The person named in a will to handle the property of someone who has died. The executor collects the property, pays debts and taxes, and then distributes what's left, as specified in the will. The executor also handles any probate court proceedings and notifies people and organizations of the death. Also called personal representatives.

In trademark law, a mark that is not inherently distinctive becomes protected after developing a 'secondary meaning': great public recognition through long use and exposure in the marketplace. For example, though first names are not generally considered inherently distinctive, Ben & Jerry's Ice Cream has become so well known that it is now entitled to maximum trademark protection.

Under a trust, the situation that occurs when the sole trustee and the sole beneficiary are the same person or institution. Then, there's no longer the separation between the trustee's legal ownership of trust property from the beneficiary's interest. The trust 'merges' and ceases to exist.