A writing system is any way of visually representing what is said or communicated. While both writing and speech are useful in conveying messages, writing is seen as a more reliable form of information storage and a way of transferring information.
Source: https://en.wikipedia.org/wiki/Writing_system
A writing system, also called a script, is used to visually record a language with symbols. The oldest kind of writing was pictographic or ideographical. Later developments brought logographic systems, syllabaries and alphabets.
Système d’écriture – une manière d’enregistrer visuellement une langue à l’aide de symboles. La plus ancienne forme d’écriture était pictographique ou idéographique. Les développements successifs ont donné naissance aux systèmes logographiques, aux syllabaires et aux alphabets.
Source: http://encyclopedia.kids
Source: http://encyclopedia.kids.net.au/page/wr/Writing_system
The birth of writing! – History of Writing Systems #2 (Pictographs in a cave)
