In general, any reasoning (whether it's oral or written) is bound to have a certain basis, the main idea and a correctly formulated text, understandable to the reader.
Ngokuvamile, iyiphi i-agumenti (akunandaba - it is a ngamazwi noma lokubhalwako) liyadingeka anesisekelo ezithile, umcondvo lomcoka endzabeni kanye kahle kwakha umbhalo kuyaqondakala ngco kulofundzako.