Wisdom, as a word, happens to have a feminine grammatical gender in Hebrew, Greek, and Latin. So it makes for fun poetry to personify Wisdom as a woman.
Wisdom is one of God’s attributes. So you can use the personified Wisdom as a symbol of any of the Three Persons of the Trinity, or of the entire Trinity.
In most early Christian literature, they loved to refer to Christ as Truth or as Wisdom. (particularly to show that Wisdom, meaning Christ, was “playing” along when the world was created, and was not a creature.) Later on, in medieval works, people use it as more of a reference to the Holy Spirit. The Father and the Trinity sometimes came up. But there was no rule about it.
In modern feminism (especially in the 1980’s) there were a lot of sermons and visual depictions of Wisdom being crucified, or taking the place of Christ in His ministry, and it was done in an offensive or heretical way. So bringing up the early Christian usage without sounding like a loon has become difficult; but you need to know about it in order to understand early Christian Scripture interpretation.
Anyway, the point of Wisdom in Proverbs is that listening to God and studying Scripture (as opposed to listening to pagans and worldly people) will make you wise, and will eventually led you to all the good, lasting things of life and eternal life.
