This is the 1483rd most frequent Russian word.
направить
To direct or send.
This sentence uses 'направить' to mean 'send' or 'dispatch' an item, such as a letter.
Я направлю тебе письмо завтра.
I will send you a letter tomorrow.
Here, 'направить' is used to signify 'directing' one's focus or efforts towards an objective.
Он направил свои усилия на изучение языка.
He directed his efforts towards studying the language.
In this context, 'направить' means 'guide' or 'steer' someone in the correct direction.