The purpose of a proximity card reader is the contactless exchange of data between the reader and the card. Traditional card readers need the cards to be inserted in a module to be read, which is not necessary in case of a proximity reader.
The purpose of fable is to teach the reader a lesson.
save the reader time
The author's purpose was to entertain the reader.
Her primary purpose is to entertain the reader.
This question answers itself.
To create pictures in the reader's mind.
A gloomy setting helps to frighten the reader.
to anticipate the reader's concerns and help to alleviate them
To provide useful comparison's and images to the reader.
My name is randy what is your name
The main purpose for informational writing is to teach the reader about a non fictional topic as well as providing specific facts to help reader to understand the topic more.
to tell your reader everything you will say