Small differences that are not so small

There is a difference between
a) asking someone to go to a party, and
b) telling someone that the host invited them to the party.

There is a difference between

a) wishing someone a happy birthday, and

b) telling someone that another person asked you to wish them a happy birthday.

There is a difference between

a) asking someone to do something that is not their job, and
b) telling them that you are unable to find someone else to do it and asking them for a favour.

There is a difference between

a) telling someone that you set an appointment when they are busy, and

b) telling someone that you set an appointment when they are busy because there are no other possible times.