The diagram shows the main systems of writing used throughout the world. Summarise the information by selecting and reporting the main features.

The diagram gives information about five writing systems used throughout the world: Logographic, Abjad, Abjuda, Alphabetic and Syllabic. Four of them are similar in that characters represent sounds. Among them Abjad is the oldest. Arabic language is an example for

this

system

. In that case,

one

character

represented

one

constant. Abjuda is another

system

which used

one

character

for

one

constant sound plus

one

vowel sound: for an instance, Indian Devanagiri. The third

one

is Alphabetic which used in English where

one

character

refers to either constant or vowel sound.

However

, sometimes the match of spelling and pronunciation not approximate.

Finally

, in the syllabic

system

, used Japanese Kana

for example

, each

character

indicates a syllable.

Apart from

this

there is

one

another

system

which uses completely a different principle named Logographic. The method in

this

is

one

character

is representing a word. The languages used

this

system

such

as Chinese and Japanese are sharing the same writing

system

when different in spoken form. In conclusion, the diagram shows most writing systems are based on sounds.