'advertising' originates from the Latin word 'advertere,' where 'ad-' meant 'toward' and 'vertere' meant 'to turn.' 'Focused' comes from the Latin 'focus,' meaning 'hearth' or 'fireplace,' which evolved to mean 'center of activity or interest.'

'advertising' changed from the Old French word 'avertissement' and eventually became the modern English word 'advertising.' 'Focused' evolved from the Latin 'focus' through Middle English.

Initially, 'advertising' meant 'to turn attention toward something,' but over time it evolved into its current meaning of 'promoting products or services.'