Knowledge of the spelling and grammar of the language in question and a thorough understanding of the subject.
Writing can be very effective. Especially with alot of Imagination. ^^ :)
An effective definition is a definition that: Tells the reader what the word/phrase is, and possibly gives the etymology. Tells the reader how the word/phrase is said. Makes it easy to understand....
complex definition in tecnical writing means the word which is complex to define.
nag tatanung nga ako