Meaning: There was a lot of wind blowing on a day when the wind was very strong.
Choice of Words: Wind is a noun that refers to the movement of air. Blew is the past tense of the verb to blow, which means to move air. Strong is an adjective that describes the force of the wind. Windy is an adjective that describes the conditions when there is a lot of wind. Day is a noun that refers to a 24-hour period.