Thai Character Configuration

Thai character consists of a maximum of four levels:

•Top level—only top or above level characters are allowed to be placed on the Top level, which is the highest layer.

•Above level—only topor above level characters are allowed to be placed on the Above level, which exists between the Top level and the Base line.

•Base line—only base line characters are allowed to be placed on the Base line, which exists between the Above level and the Below level.

•Below level—only below level characters are allowed to be placed on the Below level, which is the lowest layer.

Each character type is explained below.

Base line characters

•Base line characters are the characters encircled in red, purple, and pink.

•The characters encircled in purple will not have below level characters, but they are rarely used.

•The characters encircled in pink will not have top level and above level. Only the ฬ character is rarely used.

•Each character encircled in red and purple must have a top and below level.

Top level/Above level characters

•Characters encircled in blue are Top level or Above level characters.

•Characters encircled in red and purple, and the ฬ character can be both top and above level.

•The characters encircled in blue on the fifth line can be top level when above level character exists. The fourth line characters encircled in blue can be above level only. The fifth line characters encircled in blue can be both top and above level.

Below level characters

•Characters encircled in green are Below level characters.

•Top, Above and Below characters cannot be in the same character.