Administration
It implies distribution and management of estate of deceased, authority to conduct the act granted by the court.
In event of no will have been made by the deceased or will turn out to be invalid, the court would issue letters of Administration whereby appointing one or more people for administering the estate of the deceased.
Annuity
It would mean the payment or annual income of a fixed amount. The amount would be taken from an investment of capital. The capital would not be repayable.
Appoint
Implies to specify a certain person or thing for performing an act.
Appurtenance
Would be best described as a right belonging to a specific property given to a particular person or persons.
Arrearages
It implies the amount of payment in arrears.
Beneficiary
Would imply an individual who would be receiving a gift from a will.
Bequeath
It implies a specific right to a property for a specific person or people in a will.
Bequest
Would imply a particular legacy to a specific object in the UK region. In other parts of the world, it would imply a kind of legacy.
Chattels
Implies any kind of property that is other than freehold property. It would be divided into real chattels implying leasehold interests and personal chattels implying movables such as cattle, China, plate and more.
Child
The matters of will would entail adopted and illegitimate children of a specific person who has been deceased, but it would not be inclusive of the stepchildren.
However, if the stepchildren have been specifically mentioned, it would take into its ambit stepchildren as well.
Several legacies would often be entrusted to the children until they attain the age of 18, 21 or 25 instead of the legal stipulation of 16 years.
Deed
The deed would be best described as an instrument, mostly a document, understanding the specific terms of contract along with evidence of its date of execution.
Edifices
It implies buildings.
Estate
It implies property, specifically a landed property such as personal estate, real estate. It would also mean the assets of the person along with liabilities taken in a collective manner.
Estoppel
Implies a bar for preventing a person from making allegation or denial that would disagree with what one has stated previously to be true.
Heir/Heiress
Implies any person to whom the property in question would be given under possession after the death of the present holder. The heir would be the male person, whereas the heiress would be female.
Intestate
It implies a person dies without making a will.
The aforementioned and several other terms have been listed in the glossary for will. However, it would be pertinent that Will writing company ensures they mention every specific word in the glossary that appears alien to a common person.
It would help them understand the will in a proper manner.