What is writing?
It involves communicating a message by making signs on a page.
Text types
They involve different kinds of writing, each type have different characteristics. E.g. Postcard, birthday card, emails.
Accuracy
Using the correct form of language according to the destinatary or context. E.g. Spelling correctly, writing legibly, correct layouts, right vocabulary.
To make cohesive a text
Use of reference words, logical way of organising the information, topic sentences, etc. Those things are called cohesive devices (ways of linking text)
A general schedule of writing