What does Numbers 30:3 mean?

Also when a woman voweth a vow unto Jehovah, and bindeth herself by a bond, being in her father’s house, in her youth,

If a woman also vow a vow unto the Lord, and bind herself by a bond, being in her father’s house in her youth;

Also when a woman voweth a vow unto Jehovah, and bindeth herself by a bond, being in her father’s house, in her youth,

If a woman, being young and under the authority of her father, takes an oath to the Lord or gives an undertaking;

`And when a woman voweth a vow to Jehovah, and hath bound a bond in the house of her father in her youth,

If any man make a vow to the Lord, or bind himself by an oath: he shall not make his word void but shall fulfil all that he promised.

If a woman also vow a vow to Jehovah, and bind herself by a bond, in her father's house in her youth,