Step 1: Define personality:
Personality is the sum of a person's looks, habits, thinking, attitude and behaviour.
It decides how others see us and how we act in different situations.
Step 2: Define personality development:
Personality development is the process of improving and polishing these traits.
It covers dress and grooming, manners, speech, attitude, confidence and emotional control.
Step 3: Why it matters:
A well developed personality helps a person do well at studies, at an interview and at work.
It builds self-confidence, good relations and leadership skills.
Final Answer:
Personality development means the continuous process of improving a person's appearance, behaviour, attitude and communication so that he or she makes a good impression.