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− Legitimate, the point is that the visuals displayed must be

something legitimate and reasonable. An unusual or
illogical image will be considered awkward by the child.
− Structured, meaning that the Gambar must be structured

or well-arranged, systematic, and coherent so that the
message is easy to understand.

− Use graphs to illustrate the general overview of the
material before presenting unit by unit of study for use by
students organizing the material.

− Colours should be used realistically(Arisato and Rahadi
2003, 26–27).

b) Board Shape Media
The medium of the board shape consists of a whiteboard, a
sticky board, a flannel board, and a magnetic board. The

function of the blackboard is to write down the point of the
teacher's explanation and write down the summary of the lesson
in the form of a chart illustration or a picture.

− A sticky board is a piece of the board whose function is as
a place to paste messages and a place to organize a display

which is part of the vital activity of a school.
− Flannel board is often referred to as a visual board; there

is a board covered with flannel or soft cloth, where pieces
of the image or symbols are placed, usually called flannel
boards. Flannel boards can be used for any type of lesson,

can explain bandages or equations systematically, and can
cultivate students for active learning.
− A magnetic board, better known as a whiteboard or

magnetic board, is a piece of the board made of a layer of
white enamel on a metal plot so that the surface can be
attached to light objects with magnetic interaction.