In this Division—
“attorney-at-law” includes an employee or agent of an attorney-at-law;
“client” includes—
(a) an employee or agent of a client;
(b) if the client is a person in respect of whose person, estate or property a manager or committee or other person, however described, is for the time being acting under a law that relates to persons of unsound mind, a person so acting; and
(c) if the client has died, a personal representative of the client,
and, in relation to a confidential communication made by a client in respect of property in which the client had an interest, also includes a successor in title to that interest;
“party” includes—
(a) an employee or agent of a party;
(b) if the party is a person in respect of whose person, estate or property a manager or committee or other person, however described, is for the time being acting under a law that relates to persons of unsound mind, a person so acting; and
(c) if the party has died, a personal representative of the party; and
(d) in relation to a confidential communication made by a party in respect of property in which the party had an interest, a successor in title to that interest.