Answer:
It is important because depending on the context the word could vary its meaning and its interpretation.
Step-by-step explanation:
The context is the part of a discourse that surrounds a word or passage. Depending on it the meaning of the word or even the statement could differ. For example, is not the same to talk to your friends than with your employer. You will use another tone in your words, more formal with your employer than with your friends.
I hope this answer helps you.