The world may undergo (writing systems).Logical formLearned from12 sentences. A (writing system) can be indigenous.Logical formLearned from12 sentences. Writing may undergo an improvement.Logical formLearned from12 sentences. A day may undergo writing.Logical formLearned from12 sentences. Relation can be to writing.Logical formLearned from12 sentences. Some sections can be constituted-of-or-filled-with writing.Logical formLearned from12 sentences. (Writing systems) may undergo a development.Logical formLearned from12 sentences. A collection may include writings.Logical formLearned from12 sentences. Writing can be raw.Logical formLearned from12 sentences. (Writing classes) may pertain-to persons.Logical formLearned from12 sentences. (Writing skills) can be clear.Logical formLearned from12 sentences. A basis can be for writing.Logical formLearned from12 sentences. Passages can be in writings.Logical formLearned from12 sentences. Conditions may be imposed in writing by a board.Logical formLearned from12 sentences. Writing can be a technology.Logical formLearned from12 sentences.