The correct answer is: Flip Charts
A flip chart is a "stand with large sheets of paper", it is usually used in meetings when presenting information by turning over one peace of paper at a time. With the use of computers they are not as popular as they used to be.
A white board is a board with a smooth and white surface, most of times attached to a wall. It is used in schools, most of times by teachers, to draw and write in front of the class. It requires special pens.
Handouts are documents given usually to students containing information about an specific subject.
Visual aids are used to help people undestand or remember information. They are things that are shown, like pictures, films, or maps.
