TASK DEFINITION: In this task, we ask you to elaborate the sentence without changing its general meaning. You can do so by explaining further the input sentence, using more precise wording, adding qualifiers and auxiliary information etc.
PROBLEM: In tort law , an invitee is a member of the public who has been invited to do business with the owner of a property .

SOLUTION: In the law of torts , an invitee is a person who is invited to land by the possessor of the land as a member of the public or one who enters the land of another for the purpose of business dealings with the possessor of the land .

PROBLEM: Per capita income or average income is the average amount of money a person gets in a year .

SOLUTION: Per capita income ( PCI ) or average income measures the average income earned per person in a given area ( city , region , country , etc . ) in a specified year .

PROBLEM: Boredom is an emotional state that comes when a person has nothing to do , and is not interested in anything .

SOLUTION:
In conventional usage , boredom is an emotional and occasionally psychological state experienced when an individual is left without anything in particular to do , is not interested in their surroundings , or feels that a day or period is dull or tedious .